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gerrit-public.fairphone.software / kernel / msm-5.4 / 7b63435a5035621baa4de8d15ca1b4440c3b4d12 / . / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
blob: 0dcbbda164c47789516cbc1402d5e7e0c8a845f2 [file] [log] [blame]
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
Shannon Nelson66fc3602016-01-13 16:51:42 -0800[diff] [blame]4 * Copyright(c) 2013 - 2016 Intel Corporation.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
Greg Rosedc641b72013-12-18 13:45:51 +0000[diff] [blame]15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27/* ethtool support for i40e */
28
29#include "i40e.h"
30#include "i40e_diag.h"
31
32struct i40e_stats {
33 char stat_string[ETH_GSTRING_LEN];
34 int sizeof_stat;
35 int stat_offset;
36};
37
38#define I40E_STAT(_type, _name, _stat) { \
39 .stat_string = _name, \
40 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
41 .stat_offset = offsetof(_type, _stat) \
42}
Shannon Nelsonfad177d2014-11-11 20:07:27 +0000[diff] [blame]43
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]44#define I40E_NETDEV_STAT(_net_stat) \
Shannon Nelsonfad177d2014-11-11 20:07:27 +0000[diff] [blame]45 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]46#define I40E_PF_STAT(_name, _stat) \
47 I40E_STAT(struct i40e_pf, _name, _stat)
48#define I40E_VSI_STAT(_name, _stat) \
49 I40E_STAT(struct i40e_vsi, _name, _stat)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]50#define I40E_VEB_STAT(_name, _stat) \
51 I40E_STAT(struct i40e_veb, _name, _stat)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]52
53static const struct i40e_stats i40e_gstrings_net_stats[] = {
54 I40E_NETDEV_STAT(rx_packets),
55 I40E_NETDEV_STAT(tx_packets),
56 I40E_NETDEV_STAT(rx_bytes),
57 I40E_NETDEV_STAT(tx_bytes),
58 I40E_NETDEV_STAT(rx_errors),
59 I40E_NETDEV_STAT(tx_errors),
60 I40E_NETDEV_STAT(rx_dropped),
61 I40E_NETDEV_STAT(tx_dropped),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]62 I40E_NETDEV_STAT(collisions),
63 I40E_NETDEV_STAT(rx_length_errors),
64 I40E_NETDEV_STAT(rx_crc_errors),
65};
66
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]67static const struct i40e_stats i40e_gstrings_veb_stats[] = {
68 I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
69 I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
70 I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
71 I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
72 I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
73 I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
74 I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
75 I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
76 I40E_VEB_STAT("rx_discards", stats.rx_discards),
77 I40E_VEB_STAT("tx_discards", stats.tx_discards),
78 I40E_VEB_STAT("tx_errors", stats.tx_errors),
79 I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
80};
81
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]82static const struct i40e_stats i40e_gstrings_misc_stats[] = {
Shannon Nelson418631d2014-04-23 04:50:07 +0000[diff] [blame]83 I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
84 I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
85 I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
86 I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]87 I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
88 I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
Shannon Nelson418631d2014-04-23 04:50:07 +0000[diff] [blame]89 I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
Anjali Singhai Jain2fc3d712015-08-27 11:42:29 -0400[diff] [blame]90 I40E_VSI_STAT("tx_linearize", tx_linearize),
Anjali Singhai Jain164c9f52015-10-21 19:47:08 -0400[diff] [blame]91 I40E_VSI_STAT("tx_force_wb", tx_force_wb),
Jesse Brandeburgc40918c2016-01-04 10:33:10 -0800[diff] [blame]92 I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
93 I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]94};
95
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]96/* These PF_STATs might look like duplicates of some NETDEV_STATs,
97 * but they are separate. This device supports Virtualization, and
98 * as such might have several netdevs supporting VMDq and FCoE going
99 * through a single port. The NETDEV_STATs are for individual netdevs
100 * seen at the top of the stack, and the PF_STATs are for the physical
101 * function at the bottom of the stack hosting those netdevs.
102 *
103 * The PF_STATs are appended to the netdev stats only when ethtool -S
104 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
105 */
Joe Perchesfe180a52016-09-26 20:17:01 -0700[diff] [blame]106static const struct i40e_stats i40e_gstrings_stats[] = {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]107 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
108 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
Shannon Nelson532d2832014-04-23 04:50:09 +0000[diff] [blame]109 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
110 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
111 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
112 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
113 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
114 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]115 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
116 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]117 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
Shannon Nelson9f7c9442015-07-10 19:35:57 -0400[diff] [blame]118 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]119 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
120 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
121 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
Jesse Brandeburga47a15f2014-02-06 05:51:09 +0000[diff] [blame]122 I40E_PF_STAT("tx_timeout", tx_timeout_count),
Jesse Brandeburg8a3c91c2014-05-20 08:01:43 +0000[diff] [blame]123 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]124 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
125 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
126 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
127 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
128 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
Alice Michaeldbd668e2017-10-27 11:06:48 -0400[diff] [blame]129 I40E_PF_STAT("priority_xon_rx", stats.priority_xon_rx),
130 I40E_PF_STAT("priority_xoff_rx", stats.priority_xoff_rx),
131 I40E_PF_STAT("priority_xon_tx", stats.priority_xon_tx),
132 I40E_PF_STAT("priority_xoff_tx", stats.priority_xoff_tx),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]133 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
134 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
135 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
136 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
137 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
138 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
139 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
140 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
141 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
142 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
143 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
144 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
145 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
146 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
147 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
148 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
149 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
150 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
151 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
Mitch Williams1d0a4ad2015-12-23 12:05:48 -0800[diff] [blame]152 I40E_PF_STAT("arq_overflows", arq_overflows),
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]153 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
Jacob Keller2955fac2017-05-03 10:28:58 -0700[diff] [blame]154 I40E_PF_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]155 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]156 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
Anjali Singhai Jain60ccd452015-04-16 20:06:01 -0400[diff] [blame]157 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
Anjali Singhai Jaind0389e52015-04-22 19:34:05 -0400[diff] [blame]158 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]159 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
Anjali Singhai Jaind0389e52015-04-22 19:34:05 -0400[diff] [blame]160 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]161
Anjali Singhai Jainbee5af72014-03-06 08:59:50 +0000[diff] [blame]162 /* LPI stats */
163 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
164 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
165 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
166 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]167};
168
169#define I40E_QUEUE_STATS_LEN(n) \
Shannon Nelson31cd8402014-04-04 04:43:12 +0000[diff] [blame]170 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
171 * 2 /* Tx and Rx together */ \
172 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]173#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
174#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]175#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]176#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]177 I40E_MISC_STATS_LEN + \
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]178 I40E_QUEUE_STATS_LEN((n)))
179#define I40E_PFC_STATS_LEN ( \
180 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
181 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
182 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
183 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
184 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
185 / sizeof(u64))
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]186#define I40E_VEB_TC_STATS_LEN ( \
187 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
188 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
189 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
190 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
191 / sizeof(u64))
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]192#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]193#define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]194#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
195 I40E_PFC_STATS_LEN + \
196 I40E_VSI_STATS_LEN((n)))
197
198enum i40e_ethtool_test_id {
199 I40E_ETH_TEST_REG = 0,
200 I40E_ETH_TEST_EEPROM,
201 I40E_ETH_TEST_INTR,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]202 I40E_ETH_TEST_LINK,
203};
204
205static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
206 "Register test (offline)",
207 "Eeprom test (offline)",
208 "Interrupt test (offline)",
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]209 "Link test (on/offline)"
210};
211
212#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
213
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]214struct i40e_priv_flags {
215 char flag_string[ETH_GSTRING_LEN];
216 u64 flag;
217 bool read_only;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]218};
219
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]220#define I40E_PRIV_FLAG(_name, _flag, _read_only) { \
221 .flag_string = _name, \
222 .flag = _flag, \
223 .read_only = _read_only, \
224}
225
226static const struct i40e_priv_flags i40e_gstrings_priv_flags[] = {
227 /* NOTE: MFP setting cannot be changed */
228 I40E_PRIV_FLAG("MFP", I40E_FLAG_MFP_ENABLED, 1),
229 I40E_PRIV_FLAG("LinkPolling", I40E_FLAG_LINK_POLLING_ENABLED, 0),
230 I40E_PRIV_FLAG("flow-director-atr", I40E_FLAG_FD_ATR_ENABLED, 0),
231 I40E_PRIV_FLAG("veb-stats", I40E_FLAG_VEB_STATS_ENABLED, 0),
Jacob Keller6964e532017-06-12 15:38:36 -0700[diff] [blame]232 I40E_PRIV_FLAG("hw-atr-eviction", I40E_FLAG_HW_ATR_EVICT_ENABLED, 0),
Alexander Duyckc424d4a2017-03-14 10:15:26 -0700[diff] [blame]233 I40E_PRIV_FLAG("legacy-rx", I40E_FLAG_LEGACY_RX, 0),
Mitch Williams64615b52017-08-29 05:32:30 -0400[diff] [blame]234 I40E_PRIV_FLAG("disable-source-pruning",
235 I40E_FLAG_SOURCE_PRUNING_DISABLED, 0),
Dave Ertmanc61c8fe2017-12-27 08:18:21 -0500[diff] [blame]236 I40E_PRIV_FLAG("disable-fw-lldp", I40E_FLAG_DISABLE_FW_LLDP, 0),
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]237};
238
239#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gstrings_priv_flags)
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]240
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]241/* Private flags with a global effect, restricted to PF 0 */
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]242static const struct i40e_priv_flags i40e_gl_gstrings_priv_flags[] = {
243 I40E_PRIV_FLAG("vf-true-promisc-support",
244 I40E_FLAG_TRUE_PROMISC_SUPPORT, 0),
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]245};
246
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]247#define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_gstrings_priv_flags)
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]248
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]249/**
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]250 * i40e_partition_setting_complaint - generic complaint for MFP restriction
251 * @pf: the PF struct
252 **/
253static void i40e_partition_setting_complaint(struct i40e_pf *pf)
254{
255 dev_info(&pf->pdev->dev,
256 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
257}
258
259/**
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]260 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
Alan Brady52e2d022017-10-05 14:53:35 -0700[diff] [blame]261 * @pf: PF struct with phy_types
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]262 * @ks: ethtool link ksettings struct to fill out
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]263 *
264 **/
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]265static void i40e_phy_type_to_ethtool(struct i40e_pf *pf,
266 struct ethtool_link_ksettings *ks)
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]267{
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]268 struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]269 u64 phy_types = pf->hw.phy.phy_types;
270
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]271 ethtool_link_ksettings_zero_link_mode(ks, supported);
272 ethtool_link_ksettings_zero_link_mode(ks, advertising);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]273
274 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]275 ethtool_link_ksettings_add_link_mode(ks, supported,
276 1000baseT_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]277 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]278 ethtool_link_ksettings_add_link_mode(ks, advertising,
279 1000baseT_Full);
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]280 if (pf->hw_features & I40E_HW_100M_SGMII_CAPABLE) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]281 ethtool_link_ksettings_add_link_mode(ks, supported,
282 100baseT_Full);
283 ethtool_link_ksettings_add_link_mode(ks, advertising,
284 100baseT_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]285 }
286 }
287 if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
288 phy_types & I40E_CAP_PHY_TYPE_XFI ||
289 phy_types & I40E_CAP_PHY_TYPE_SFI ||
290 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]291 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) {
292 ethtool_link_ksettings_add_link_mode(ks, supported,
293 10000baseT_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]294 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]295 ethtool_link_ksettings_add_link_mode(ks, advertising,
296 10000baseT_Full);
297 }
298 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_T) {
299 ethtool_link_ksettings_add_link_mode(ks, supported,
300 10000baseT_Full);
301 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
302 ethtool_link_ksettings_add_link_mode(ks, advertising,
303 10000baseT_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]304 }
305 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
306 phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
307 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]308 ethtool_link_ksettings_add_link_mode(ks, supported,
309 40000baseCR4_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]310 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
311 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]312 ethtool_link_ksettings_add_link_mode(ks, supported,
313 40000baseCR4_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]314 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]315 ethtool_link_ksettings_add_link_mode(ks, advertising,
316 40000baseCR4_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]317 }
Avinash Dayanand01a7a9f2016-05-16 10:26:40 -0700[diff] [blame]318 if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]319 ethtool_link_ksettings_add_link_mode(ks, supported,
320 100baseT_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]321 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]322 ethtool_link_ksettings_add_link_mode(ks, advertising,
323 100baseT_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]324 }
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]325 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T) {
326 ethtool_link_ksettings_add_link_mode(ks, supported,
327 1000baseT_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]328 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]329 ethtool_link_ksettings_add_link_mode(ks, advertising,
330 1000baseT_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]331 }
332 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]333 ethtool_link_ksettings_add_link_mode(ks, supported,
334 40000baseSR4_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]335 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]336 ethtool_link_ksettings_add_link_mode(ks, supported,
337 40000baseLR4_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]338 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]339 ethtool_link_ksettings_add_link_mode(ks, supported,
340 40000baseLR4_Full);
341 ethtool_link_ksettings_add_link_mode(ks, advertising,
342 40000baseLR4_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]343 }
344 if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]345 ethtool_link_ksettings_add_link_mode(ks, supported,
346 20000baseKR2_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]347 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]348 ethtool_link_ksettings_add_link_mode(ks, advertising,
349 20000baseKR2_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]350 }
351 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]352 ethtool_link_ksettings_add_link_mode(ks, supported,
353 10000baseKX4_Full);
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]354 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]355 ethtool_link_ksettings_add_link_mode(ks, advertising,
356 10000baseKX4_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]357 }
Alan Brady6987bd252017-10-05 14:53:38 -0700[diff] [blame]358 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR &&
359 !(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER)) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]360 ethtool_link_ksettings_add_link_mode(ks, supported,
361 10000baseKR_Full);
Alan Brady6987bd252017-10-05 14:53:38 -0700[diff] [blame]362 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]363 ethtool_link_ksettings_add_link_mode(ks, advertising,
364 10000baseKR_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]365 }
Alan Brady6987bd252017-10-05 14:53:38 -0700[diff] [blame]366 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX &&
367 !(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER)) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]368 ethtool_link_ksettings_add_link_mode(ks, supported,
369 1000baseKX_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]370 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]371 ethtool_link_ksettings_add_link_mode(ks, advertising,
372 1000baseKX_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]373 }
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]374 /* need to add 25G PHY types */
375 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR) {
376 ethtool_link_ksettings_add_link_mode(ks, supported,
377 25000baseKR_Full);
378 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
379 ethtool_link_ksettings_add_link_mode(ks, advertising,
380 25000baseKR_Full);
381 }
382 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR) {
383 ethtool_link_ksettings_add_link_mode(ks, supported,
384 25000baseCR_Full);
385 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
386 ethtool_link_ksettings_add_link_mode(ks, advertising,
387 25000baseCR_Full);
388 }
389 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]390 phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]391 ethtool_link_ksettings_add_link_mode(ks, supported,
392 25000baseSR_Full);
393 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
394 ethtool_link_ksettings_add_link_mode(ks, advertising,
395 25000baseSR_Full);
396 }
397 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_AOC ||
398 phy_types & I40E_CAP_PHY_TYPE_25GBASE_ACC) {
399 ethtool_link_ksettings_add_link_mode(ks, supported,
400 25000baseCR_Full);
401 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_25GB)
402 ethtool_link_ksettings_add_link_mode(ks, advertising,
403 25000baseCR_Full);
404 }
405 /* need to add new 10G PHY types */
406 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
407 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU) {
408 ethtool_link_ksettings_add_link_mode(ks, supported,
409 10000baseCR_Full);
410 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
411 ethtool_link_ksettings_add_link_mode(ks, advertising,
412 10000baseCR_Full);
413 }
414 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR) {
415 ethtool_link_ksettings_add_link_mode(ks, supported,
416 10000baseSR_Full);
417 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
418 ethtool_link_ksettings_add_link_mode(ks, advertising,
419 10000baseSR_Full);
420 }
421 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
422 ethtool_link_ksettings_add_link_mode(ks, supported,
423 10000baseLR_Full);
424 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
425 ethtool_link_ksettings_add_link_mode(ks, advertising,
426 10000baseLR_Full);
427 }
428 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
429 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
430 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
431 ethtool_link_ksettings_add_link_mode(ks, supported,
432 1000baseX_Full);
433 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
434 ethtool_link_ksettings_add_link_mode(ks, advertising,
435 1000baseX_Full);
Alan Brady6987bd252017-10-05 14:53:38 -0700[diff] [blame]436 }
437 /* Autoneg PHY types */
438 if (phy_types & I40E_CAP_PHY_TYPE_SGMII ||
439 phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4 ||
440 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
441 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4 ||
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]442 phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
Alan Brady6987bd252017-10-05 14:53:38 -0700[diff] [blame]443 phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR ||
444 phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR ||
445 phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR ||
446 phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2 ||
447 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
448 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
449 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR ||
450 phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4 ||
451 phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR ||
452 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
453 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
454 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL ||
455 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
456 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
457 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
458 phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX ||
459 phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]460 ethtool_link_ksettings_add_link_mode(ks, supported,
461 Autoneg);
462 ethtool_link_ksettings_add_link_mode(ks, advertising,
463 Autoneg);
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]464 }
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]465}
466
467/**
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]468 * i40e_get_settings_link_up - Get the Link settings for when link is up
469 * @hw: hw structure
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]470 * @ks: ethtool ksettings to fill in
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]471 * @netdev: network interface device structure
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]472 * @pf: pointer to physical function struct
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]473 **/
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]474static void i40e_get_settings_link_up(struct i40e_hw *hw,
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]475 struct ethtool_link_ksettings *ks,
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]476 struct net_device *netdev,
477 struct i40e_pf *pf)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]478{
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]479 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]480 struct ethtool_link_ksettings cap_ksettings;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]481 u32 link_speed = hw_link_info->link_speed;
482
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]483 /* Initialize supported and advertised settings based on phy settings */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]484 switch (hw_link_info->phy_type) {
485 case I40E_PHY_TYPE_40GBASE_CR4:
486 case I40E_PHY_TYPE_40GBASE_CR4_CU:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]487 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
488 ethtool_link_ksettings_add_link_mode(ks, supported,
489 40000baseCR4_Full);
490 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
491 ethtool_link_ksettings_add_link_mode(ks, advertising,
492 40000baseCR4_Full);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]493 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]494 case I40E_PHY_TYPE_XLAUI:
495 case I40E_PHY_TYPE_XLPPI:
Catherine Sullivan180204c2015-02-26 16:14:58 +0000[diff] [blame]496 case I40E_PHY_TYPE_40GBASE_AOC:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]497 ethtool_link_ksettings_add_link_mode(ks, supported,
498 40000baseCR4_Full);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]499 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]500 case I40E_PHY_TYPE_40GBASE_SR4:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]501 ethtool_link_ksettings_add_link_mode(ks, supported,
502 40000baseSR4_Full);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]503 break;
504 case I40E_PHY_TYPE_40GBASE_LR4:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]505 ethtool_link_ksettings_add_link_mode(ks, supported,
506 40000baseLR4_Full);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]507 break;
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]508 case I40E_PHY_TYPE_25GBASE_SR:
509 case I40E_PHY_TYPE_25GBASE_LR:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]510 case I40E_PHY_TYPE_10GBASE_SR:
511 case I40E_PHY_TYPE_10GBASE_LR:
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]512 case I40E_PHY_TYPE_1000BASE_SX:
513 case I40E_PHY_TYPE_1000BASE_LX:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]514 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
515 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
516 ethtool_link_ksettings_add_link_mode(ks, supported,
517 25000baseSR_Full);
518 ethtool_link_ksettings_add_link_mode(ks, advertising,
519 25000baseSR_Full);
520 ethtool_link_ksettings_add_link_mode(ks, supported,
521 10000baseSR_Full);
522 ethtool_link_ksettings_add_link_mode(ks, advertising,
523 10000baseSR_Full);
524 ethtool_link_ksettings_add_link_mode(ks, supported,
525 10000baseLR_Full);
526 ethtool_link_ksettings_add_link_mode(ks, advertising,
527 10000baseLR_Full);
528 ethtool_link_ksettings_add_link_mode(ks, supported,
529 1000baseX_Full);
530 ethtool_link_ksettings_add_link_mode(ks, advertising,
531 1000baseX_Full);
532 ethtool_link_ksettings_add_link_mode(ks, supported,
533 10000baseT_Full);
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]534 if (hw_link_info->module_type[2] &
535 I40E_MODULE_TYPE_1000BASE_SX ||
536 hw_link_info->module_type[2] &
537 I40E_MODULE_TYPE_1000BASE_LX) {
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]538 ethtool_link_ksettings_add_link_mode(ks, supported,
539 1000baseT_Full);
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]540 if (hw_link_info->requested_speeds &
541 I40E_LINK_SPEED_1GB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]542 ethtool_link_ksettings_add_link_mode(
543 ks, advertising, 1000baseT_Full);
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]544 }
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]545 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]546 ethtool_link_ksettings_add_link_mode(ks, advertising,
547 10000baseT_Full);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]548 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]549 case I40E_PHY_TYPE_10GBASE_T:
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]550 case I40E_PHY_TYPE_1000BASE_T:
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]551 case I40E_PHY_TYPE_100BASE_TX:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]552 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
553 ethtool_link_ksettings_add_link_mode(ks, supported,
554 10000baseT_Full);
555 ethtool_link_ksettings_add_link_mode(ks, supported,
556 1000baseT_Full);
557 ethtool_link_ksettings_add_link_mode(ks, supported,
558 100baseT_Full);
559 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]560 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]561 ethtool_link_ksettings_add_link_mode(ks, advertising,
562 10000baseT_Full);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]563 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]564 ethtool_link_ksettings_add_link_mode(ks, advertising,
565 1000baseT_Full);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]566 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]567 ethtool_link_ksettings_add_link_mode(ks, advertising,
568 100baseT_Full);
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]569 break;
Catherine Sullivan48becae2015-09-28 14:12:41 -0400[diff] [blame]570 case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]571 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
572 ethtool_link_ksettings_add_link_mode(ks, supported,
573 1000baseT_Full);
574 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
575 ethtool_link_ksettings_add_link_mode(ks, advertising,
576 1000baseT_Full);
Catherine Sullivan48becae2015-09-28 14:12:41 -0400[diff] [blame]577 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]578 case I40E_PHY_TYPE_10GBASE_CR1_CU:
579 case I40E_PHY_TYPE_10GBASE_CR1:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]580 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
581 ethtool_link_ksettings_add_link_mode(ks, supported,
582 10000baseT_Full);
583 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
584 ethtool_link_ksettings_add_link_mode(ks, advertising,
585 10000baseT_Full);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]586 break;
587 case I40E_PHY_TYPE_XAUI:
588 case I40E_PHY_TYPE_XFI:
589 case I40E_PHY_TYPE_SFI:
590 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
Catherine Sullivan180204c2015-02-26 16:14:58 +0000[diff] [blame]591 case I40E_PHY_TYPE_10GBASE_AOC:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]592 ethtool_link_ksettings_add_link_mode(ks, supported,
593 10000baseT_Full);
594 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
595 ethtool_link_ksettings_add_link_mode(ks, advertising,
596 10000baseT_Full);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]597 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]598 case I40E_PHY_TYPE_SGMII:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]599 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
600 ethtool_link_ksettings_add_link_mode(ks, supported,
601 1000baseT_Full);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]602 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]603 ethtool_link_ksettings_add_link_mode(ks, advertising,
604 1000baseT_Full);
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]605 if (pf->hw_features & I40E_HW_100M_SGMII_CAPABLE) {
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]606 ethtool_link_ksettings_add_link_mode(ks, supported,
607 100baseT_Full);
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]608 if (hw_link_info->requested_speeds &
609 I40E_LINK_SPEED_100MB)
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]610 ethtool_link_ksettings_add_link_mode(
611 ks, advertising, 100baseT_Full);
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]612 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]613 break;
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]614 case I40E_PHY_TYPE_40GBASE_KR4:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]615 case I40E_PHY_TYPE_25GBASE_KR:
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]616 case I40E_PHY_TYPE_20GBASE_KR2:
617 case I40E_PHY_TYPE_10GBASE_KR:
618 case I40E_PHY_TYPE_10GBASE_KX4:
619 case I40E_PHY_TYPE_1000BASE_KX:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]620 ethtool_link_ksettings_add_link_mode(ks, supported,
621 40000baseKR4_Full);
622 ethtool_link_ksettings_add_link_mode(ks, supported,
623 25000baseKR_Full);
624 ethtool_link_ksettings_add_link_mode(ks, supported,
625 20000baseKR2_Full);
626 ethtool_link_ksettings_add_link_mode(ks, supported,
627 10000baseKR_Full);
628 ethtool_link_ksettings_add_link_mode(ks, supported,
629 10000baseKX4_Full);
630 ethtool_link_ksettings_add_link_mode(ks, supported,
631 1000baseKX_Full);
632 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
633 ethtool_link_ksettings_add_link_mode(ks, advertising,
634 40000baseKR4_Full);
635 ethtool_link_ksettings_add_link_mode(ks, advertising,
636 25000baseKR_Full);
637 ethtool_link_ksettings_add_link_mode(ks, advertising,
638 20000baseKR2_Full);
639 ethtool_link_ksettings_add_link_mode(ks, advertising,
640 10000baseKR_Full);
641 ethtool_link_ksettings_add_link_mode(ks, advertising,
642 10000baseKX4_Full);
643 ethtool_link_ksettings_add_link_mode(ks, advertising,
644 1000baseKX_Full);
645 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]646 break;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]647 case I40E_PHY_TYPE_25GBASE_CR:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]648 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
649 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
650 ethtool_link_ksettings_add_link_mode(ks, supported,
651 25000baseCR_Full);
652 ethtool_link_ksettings_add_link_mode(ks, advertising,
653 25000baseCR_Full);
654 break;
Sudheer Mogilappagari211b4c12017-10-05 14:53:39 -0700[diff] [blame]655 case I40E_PHY_TYPE_25GBASE_AOC:
656 case I40E_PHY_TYPE_25GBASE_ACC:
Alan Brady79f04a32017-10-05 14:53:42 -0700[diff] [blame]657 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
658 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
659 ethtool_link_ksettings_add_link_mode(ks, supported,
660 25000baseCR_Full);
661
662 ethtool_link_ksettings_add_link_mode(ks, advertising,
663 25000baseCR_Full);
664 ethtool_link_ksettings_add_link_mode(ks, supported,
665 10000baseCR_Full);
666 ethtool_link_ksettings_add_link_mode(ks, advertising,
667 10000baseCR_Full);
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]668 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]669 default:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]670 /* if we got here and link is up something bad is afoot */
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]671 netdev_info(netdev,
672 "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]673 hw_link_info->phy_type);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]674 }
675
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]676 /* Now that we've worked out everything that could be supported by the
Alan Brady91a5c442017-10-05 14:53:36 -0700[diff] [blame]677 * current PHY type, get what is supported by the NVM and intersect
678 * them to get what is truly supported
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]679 */
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]680 memset(&cap_ksettings, 0, sizeof(struct ethtool_link_ksettings));
681 i40e_phy_type_to_ethtool(pf, &cap_ksettings);
682 ethtool_intersect_link_masks(ks, &cap_ksettings);
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]683
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]684 /* Set speed and duplex */
685 switch (link_speed) {
686 case I40E_LINK_SPEED_40GB:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]687 ks->base.speed = SPEED_40000;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]688 break;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]689 case I40E_LINK_SPEED_25GB:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]690 ks->base.speed = SPEED_25000;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]691 break;
Jesse Brandeburgae24b402015-03-27 00:12:09 -0700[diff] [blame]692 case I40E_LINK_SPEED_20GB:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]693 ks->base.speed = SPEED_20000;
Jesse Brandeburgae24b402015-03-27 00:12:09 -0700[diff] [blame]694 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]695 case I40E_LINK_SPEED_10GB:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]696 ks->base.speed = SPEED_10000;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]697 break;
698 case I40E_LINK_SPEED_1GB:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]699 ks->base.speed = SPEED_1000;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]700 break;
701 case I40E_LINK_SPEED_100MB:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]702 ks->base.speed = SPEED_100;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]703 break;
704 default:
705 break;
706 }
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]707 ks->base.duplex = DUPLEX_FULL;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]708}
709
710/**
711 * i40e_get_settings_link_down - Get the Link settings for when link is down
712 * @hw: hw structure
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]713 * @ks: ethtool ksettings to fill in
714 * @pf: pointer to physical function struct
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]715 *
716 * Reports link settings that can be determined when link is down
717 **/
718static void i40e_get_settings_link_down(struct i40e_hw *hw,
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]719 struct ethtool_link_ksettings *ks,
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]720 struct i40e_pf *pf)
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]721{
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]722 /* link is down and the driver needs to fall back on
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]723 * supported phy types to figure out what info to display
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]724 */
Alan Brady1eaae512017-10-05 14:53:41 -0700[diff] [blame]725 i40e_phy_type_to_ethtool(pf, ks);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]726
727 /* With no link speed and duplex are unknown */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]728 ks->base.speed = SPEED_UNKNOWN;
729 ks->base.duplex = DUPLEX_UNKNOWN;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]730}
731
732/**
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]733 * i40e_get_link_ksettings - Get Link Speed and Duplex settings
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]734 * @netdev: network interface device structure
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]735 * @ks: ethtool ksettings
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]736 *
737 * Reports speed/duplex settings based on media_type
738 **/
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]739static int i40e_get_link_ksettings(struct net_device *netdev,
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]740 struct ethtool_link_ksettings *ks)
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]741{
742 struct i40e_netdev_priv *np = netdev_priv(netdev);
743 struct i40e_pf *pf = np->vsi->back;
744 struct i40e_hw *hw = &pf->hw;
745 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
746 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
Alan Brady5f434992017-10-05 14:53:34 -0700[diff] [blame]747
748 ethtool_link_ksettings_zero_link_mode(ks, supported);
749 ethtool_link_ksettings_zero_link_mode(ks, advertising);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]750
751 if (link_up)
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]752 i40e_get_settings_link_up(hw, ks, netdev, pf);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]753 else
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]754 i40e_get_settings_link_down(hw, ks, pf);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]755
756 /* Now set the settings that don't rely on link being up/down */
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]757 /* Set autoneg settings */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]758 ks->base.autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
759 AUTONEG_ENABLE : AUTONEG_DISABLE);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]760
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]761 /* Set media type settings */
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]762 switch (hw->phy.media_type) {
763 case I40E_MEDIA_TYPE_BACKPLANE:
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]764 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
765 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
766 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]767 ethtool_link_ksettings_add_link_mode(ks, advertising,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]768 Backplane);
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]769 ks->base.port = PORT_NONE;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]770 break;
771 case I40E_MEDIA_TYPE_BASET:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]772 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
773 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
774 ks->base.port = PORT_TP;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]775 break;
776 case I40E_MEDIA_TYPE_DA:
777 case I40E_MEDIA_TYPE_CX4:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]778 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
779 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
780 ks->base.port = PORT_DA;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]781 break;
782 case I40E_MEDIA_TYPE_FIBER:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]783 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
784 ks->base.port = PORT_FIBRE;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]785 break;
786 case I40E_MEDIA_TYPE_UNKNOWN:
787 default:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]788 ks->base.port = PORT_OTHER;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]789 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]790 }
791
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]792 /* Set flow control settings */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]793 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]794
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]795 switch (hw->fc.requested_mode) {
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]796 case I40E_FC_FULL:
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]797 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]798 break;
799 case I40E_FC_TX_PAUSE:
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]800 ethtool_link_ksettings_add_link_mode(ks, advertising,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]801 Asym_Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]802 break;
803 case I40E_FC_RX_PAUSE:
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]804 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]805 ethtool_link_ksettings_add_link_mode(ks, advertising,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]806 Asym_Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]807 break;
808 default:
Alan Brady5f434992017-10-05 14:53:34 -0700[diff] [blame]809 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
810 ethtool_link_ksettings_del_link_mode(ks, advertising,
811 Asym_Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]812 break;
813 }
814
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]815 return 0;
816}
817
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]818/**
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]819 * i40e_set_link_ksettings - Set Speed and Duplex
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]820 * @netdev: network interface device structure
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]821 * @ks: ethtool ksettings
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]822 *
823 * Set speed/duplex per media_types advertised/forced
824 **/
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]825static int i40e_set_link_ksettings(struct net_device *netdev,
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]826 const struct ethtool_link_ksettings *ks)
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]827{
828 struct i40e_netdev_priv *np = netdev_priv(netdev);
829 struct i40e_aq_get_phy_abilities_resp abilities;
Alan Brady636b62d2017-10-05 14:53:43 -0700[diff] [blame]830 struct ethtool_link_ksettings safe_ks;
831 struct ethtool_link_ksettings copy_ks;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]832 struct i40e_aq_set_phy_config config;
833 struct i40e_pf *pf = np->vsi->back;
834 struct i40e_vsi *vsi = np->vsi;
835 struct i40e_hw *hw = &pf->hw;
Alan Brady636b62d2017-10-05 14:53:43 -0700[diff] [blame]836 bool autoneg_changed = false;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]837 i40e_status status = 0;
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]838 int timeout = 50;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]839 int err = 0;
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]840 u8 autoneg;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]841
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]842 /* Changing port settings is not supported if this isn't the
843 * port's controlling PF
844 */
845 if (hw->partition_id != 1) {
846 i40e_partition_setting_complaint(pf);
847 return -EOPNOTSUPP;
848 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]849 if (vsi != pf->vsi[pf->lan_vsi])
850 return -EOPNOTSUPP;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]851 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
852 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
Catherine Sullivanc57e9f12014-07-12 07:28:13 +0000[diff] [blame]853 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
Serey Kong65362272016-05-16 10:26:39 -0700[diff] [blame]854 hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
Catherine Sullivanc57e9f12014-07-12 07:28:13 +0000[diff] [blame]855 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]856 return -EOPNOTSUPP;
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]857 if (hw->device_id == I40E_DEV_ID_KX_B ||
858 hw->device_id == I40E_DEV_ID_KX_C ||
859 hw->device_id == I40E_DEV_ID_20G_KR2 ||
860 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
861 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
862 return -EOPNOTSUPP;
863 }
864
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]865 /* copy the ksettings to copy_ks to avoid modifying the origin */
866 memcpy(&copy_ks, ks, sizeof(struct ethtool_link_ksettings));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]867
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]868 /* save autoneg out of ksettings */
869 autoneg = copy_ks.base.autoneg;
870
871 memset(&safe_ks, 0, sizeof(safe_ks));
872 /* Get link modes supported by hardware and check against modes
873 * requested by the user. Return an error if unsupported mode was set.
874 */
875 i40e_phy_type_to_ethtool(pf, &safe_ks);
876 if (!bitmap_subset(copy_ks.link_modes.advertising,
877 safe_ks.link_modes.supported,
878 __ETHTOOL_LINK_MODE_MASK_NBITS))
879 return -EINVAL;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]880
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]881 /* get our own copy of the bits to check against */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]882 memset(&safe_ks, 0, sizeof(struct ethtool_link_ksettings));
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]883 safe_ks.base.cmd = copy_ks.base.cmd;
884 safe_ks.base.link_mode_masks_nwords =
885 copy_ks.base.link_mode_masks_nwords;
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]886 i40e_get_link_ksettings(netdev, &safe_ks);
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]887
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]888 /* set autoneg back to what it currently is */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]889 copy_ks.base.autoneg = safe_ks.base.autoneg;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]890
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]891 /* If copy_ks.base and safe_ks.base are not the same now, then they are
892 * trying to set something that we do not support.
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]893 */
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]894 if (memcmp(&copy_ks.base, &safe_ks.base,
895 sizeof(struct ethtool_link_settings)))
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]896 return -EOPNOTSUPP;
897
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]898 while (test_and_set_bit(__I40E_CONFIG_BUSY, pf->state)) {
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]899 timeout--;
900 if (!timeout)
901 return -EBUSY;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]902 usleep_range(1000, 2000);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]903 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]904
905 /* Get the current phy config */
906 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
907 NULL);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]908 if (status) {
909 err = -EAGAIN;
910 goto done;
911 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]912
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]913 /* Copy abilities to config in case autoneg is not
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]914 * set below
915 */
916 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]917 config.abilities = abilities.abilities;
918
919 /* Check autoneg */
920 if (autoneg == AUTONEG_ENABLE) {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]921 /* If autoneg was not already enabled */
922 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]923 /* If autoneg is not supported, return error */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]924 if (!ethtool_link_ksettings_test_link_mode(&safe_ks,
925 supported,
926 Autoneg)) {
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]927 netdev_info(netdev, "Autoneg not supported on this phy\n");
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]928 err = -EINVAL;
929 goto done;
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]930 }
931 /* Autoneg is allowed to change */
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]932 config.abilities = abilities.abilities |
933 I40E_AQ_PHY_ENABLE_AN;
Alan Brady636b62d2017-10-05 14:53:43 -0700[diff] [blame]934 autoneg_changed = true;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]935 }
936 } else {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]937 /* If autoneg is currently enabled */
938 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]939 /* If autoneg is supported 10GBASE_T is the only PHY
940 * that can disable it, so otherwise return error
941 */
Alan Brady1c142e12017-10-05 14:53:31 -0700[diff] [blame]942 if (ethtool_link_ksettings_test_link_mode(&safe_ks,
943 supported,
944 Autoneg) &&
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]945 hw->phy.link_info.phy_type !=
946 I40E_PHY_TYPE_10GBASE_T) {
947 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]948 err = -EINVAL;
949 goto done;
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]950 }
951 /* Autoneg is allowed to change */
Mitch Williams5960d332014-09-13 07:40:47 +0000[diff] [blame]952 config.abilities = abilities.abilities &
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]953 ~I40E_AQ_PHY_ENABLE_AN;
Alan Brady636b62d2017-10-05 14:53:43 -0700[diff] [blame]954 autoneg_changed = true;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]955 }
956 }
957
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]958 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
959 100baseT_Full))
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]960 config.link_speed |= I40E_LINK_SPEED_100MB;
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]961 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
962 1000baseT_Full) ||
963 ethtool_link_ksettings_test_link_mode(ks, advertising,
964 1000baseX_Full) ||
965 ethtool_link_ksettings_test_link_mode(ks, advertising,
966 1000baseKX_Full))
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]967 config.link_speed |= I40E_LINK_SPEED_1GB;
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]968 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
969 10000baseT_Full) ||
970 ethtool_link_ksettings_test_link_mode(ks, advertising,
971 10000baseKX4_Full) ||
972 ethtool_link_ksettings_test_link_mode(ks, advertising,
973 10000baseKR_Full) ||
974 ethtool_link_ksettings_test_link_mode(ks, advertising,
975 10000baseCR_Full) ||
976 ethtool_link_ksettings_test_link_mode(ks, advertising,
977 10000baseSR_Full))
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]978 config.link_speed |= I40E_LINK_SPEED_10GB;
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]979 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
980 20000baseKR2_Full))
Jesse Brandeburgae24b402015-03-27 00:12:09 -0700[diff] [blame]981 config.link_speed |= I40E_LINK_SPEED_20GB;
Alan Bradycee91992017-10-05 14:53:44 -0700[diff] [blame]982 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
983 25000baseCR_Full) ||
984 ethtool_link_ksettings_test_link_mode(ks, advertising,
985 25000baseKR_Full) ||
986 ethtool_link_ksettings_test_link_mode(ks, advertising,
987 25000baseSR_Full))
988 config.link_speed |= I40E_LINK_SPEED_25GB;
989 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
990 40000baseKR4_Full) ||
991 ethtool_link_ksettings_test_link_mode(ks, advertising,
992 40000baseCR4_Full) ||
993 ethtool_link_ksettings_test_link_mode(ks, advertising,
994 40000baseSR4_Full) ||
995 ethtool_link_ksettings_test_link_mode(ks, advertising,
996 40000baseLR4_Full))
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]997 config.link_speed |= I40E_LINK_SPEED_40GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]998
Catherine Sullivan0002e112015-08-26 15:14:16 -0400[diff] [blame]999 /* If speed didn't get set, set it to what it currently is.
1000 * This is needed because if advertise is 0 (as it is when autoneg
1001 * is disabled) then speed won't get set.
1002 */
1003 if (!config.link_speed)
1004 config.link_speed = abilities.link_speed;
Alan Brady636b62d2017-10-05 14:53:43 -0700[diff] [blame]1005 if (autoneg_changed || abilities.link_speed != config.link_speed) {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1006 /* copy over the rest of the abilities */
1007 config.phy_type = abilities.phy_type;
Henry Tiemanb7eaf8f2016-12-02 12:33:01 -0800[diff] [blame]1008 config.phy_type_ext = abilities.phy_type_ext;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1009 config.eee_capability = abilities.eee_capability;
1010 config.eeer = abilities.eeer_val;
1011 config.low_power_ctrl = abilities.d3_lpan;
Henry Tiemanb7eaf8f2016-12-02 12:33:01 -0800[diff] [blame]1012 config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
1013 I40E_AQ_PHY_FEC_CONFIG_MASK;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1014
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]1015 /* save the requested speeds */
1016 hw->phy.link_info.requested_speeds = config.link_speed;
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]1017 /* set link and auto negotiation so changes take effect */
1018 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
1019 /* If link is up put link down */
1020 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
1021 /* Tell the OS link is going down, the link will go
1022 * back up when fw says it is ready asynchronously
1023 */
Matt Jaredc156f852015-08-27 11:42:39 -0400[diff] [blame]1024 i40e_print_link_message(vsi, false);
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]1025 netif_carrier_off(netdev);
1026 netif_tx_stop_all_queues(netdev);
1027 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1028
1029 /* make the aq call */
1030 status = i40e_aq_set_phy_config(hw, &config, NULL);
1031 if (status) {
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]1032 netdev_info(netdev,
1033 "Set phy config failed, err %s aq_err %s\n",
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1034 i40e_stat_str(hw, status),
1035 i40e_aq_str(hw, hw->aq.asq_last_status));
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1036 err = -EAGAIN;
1037 goto done;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1038 }
1039
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]1040 status = i40e_update_link_info(hw);
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1041 if (status)
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]1042 netdev_dbg(netdev,
1043 "Updating link info failed with err %s aq_err %s\n",
Catherine Sullivan52e96892015-09-28 14:16:59 -0400[diff] [blame]1044 i40e_stat_str(hw, status),
1045 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1046
1047 } else {
1048 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
1049 }
1050
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1051done:
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1052 clear_bit(__I40E_CONFIG_BUSY, pf->state);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1053
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]1054 return err;
1055}
1056
Jesse Brandeburga6599722014-06-04 08:45:25 +0000[diff] [blame]1057static int i40e_nway_reset(struct net_device *netdev)
1058{
1059 /* restart autonegotiation */
1060 struct i40e_netdev_priv *np = netdev_priv(netdev);
1061 struct i40e_pf *pf = np->vsi->back;
1062 struct i40e_hw *hw = &pf->hw;
1063 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
1064 i40e_status ret = 0;
1065
1066 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
1067 if (ret) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1068 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
1069 i40e_stat_str(hw, ret),
1070 i40e_aq_str(hw, hw->aq.asq_last_status));
Jesse Brandeburga6599722014-06-04 08:45:25 +0000[diff] [blame]1071 return -EIO;
1072 }
1073
1074 return 0;
1075}
1076
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1077/**
1078 * i40e_get_pauseparam - Get Flow Control status
1079 * Return tx/rx-pause status
1080 **/
1081static void i40e_get_pauseparam(struct net_device *netdev,
1082 struct ethtool_pauseparam *pause)
1083{
1084 struct i40e_netdev_priv *np = netdev_priv(netdev);
1085 struct i40e_pf *pf = np->vsi->back;
1086 struct i40e_hw *hw = &pf->hw;
1087 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]1088 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1089
1090 pause->autoneg =
1091 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
1092 AUTONEG_ENABLE : AUTONEG_DISABLE);
1093
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]1094 /* PFC enabled so report LFC as off */
1095 if (dcbx_cfg->pfc.pfcenable) {
1096 pause->rx_pause = 0;
1097 pause->tx_pause = 0;
1098 return;
1099 }
1100
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]1101 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1102 pause->rx_pause = 1;
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]1103 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1104 pause->tx_pause = 1;
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]1105 } else if (hw->fc.current_mode == I40E_FC_FULL) {
1106 pause->rx_pause = 1;
1107 pause->tx_pause = 1;
1108 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1109}
1110
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1111/**
1112 * i40e_set_pauseparam - Set Flow Control parameter
1113 * @netdev: network interface device structure
1114 * @pause: return tx/rx flow control status
1115 **/
1116static int i40e_set_pauseparam(struct net_device *netdev,
1117 struct ethtool_pauseparam *pause)
1118{
1119 struct i40e_netdev_priv *np = netdev_priv(netdev);
1120 struct i40e_pf *pf = np->vsi->back;
1121 struct i40e_vsi *vsi = np->vsi;
1122 struct i40e_hw *hw = &pf->hw;
1123 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]1124 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1125 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
1126 i40e_status status;
1127 u8 aq_failures;
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]1128 int err = 0;
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1129
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1130 /* Changing the port's flow control is not supported if this isn't the
1131 * port's controlling PF
1132 */
1133 if (hw->partition_id != 1) {
1134 i40e_partition_setting_complaint(pf);
1135 return -EOPNOTSUPP;
1136 }
1137
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1138 if (vsi != pf->vsi[pf->lan_vsi])
1139 return -EOPNOTSUPP;
1140
1141 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
1142 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
1143 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
1144 return -EOPNOTSUPP;
1145 }
1146
1147 /* If we have link and don't have autoneg */
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1148 if (!test_bit(__I40E_DOWN, pf->state) &&
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1149 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
1150 /* Send message that it might not necessarily work*/
1151 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
1152 }
1153
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]1154 if (dcbx_cfg->pfc.pfcenable) {
1155 netdev_info(netdev,
1156 "Priority flow control enabled. Cannot set link flow control.\n");
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1157 return -EOPNOTSUPP;
1158 }
1159
1160 if (pause->rx_pause && pause->tx_pause)
1161 hw->fc.requested_mode = I40E_FC_FULL;
1162 else if (pause->rx_pause && !pause->tx_pause)
1163 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
1164 else if (!pause->rx_pause && pause->tx_pause)
1165 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
1166 else if (!pause->rx_pause && !pause->tx_pause)
1167 hw->fc.requested_mode = I40E_FC_NONE;
1168 else
1169 return -EINVAL;
1170
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]1171 /* Tell the OS link is going down, the link will go back up when fw
1172 * says it is ready asynchronously
1173 */
Matt Jaredc156f852015-08-27 11:42:39 -0400[diff] [blame]1174 i40e_print_link_message(vsi, false);
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]1175 netif_carrier_off(netdev);
1176 netif_tx_stop_all_queues(netdev);
1177
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1178 /* Set the fc mode and only restart an if link is up*/
1179 status = i40e_set_fc(hw, &aq_failures, link_up);
1180
1181 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1182 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
1183 i40e_stat_str(hw, status),
1184 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1185 err = -EAGAIN;
1186 }
1187 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1188 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
1189 i40e_stat_str(hw, status),
1190 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1191 err = -EAGAIN;
1192 }
1193 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1194 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
1195 i40e_stat_str(hw, status),
1196 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1197 err = -EAGAIN;
1198 }
1199
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1200 if (!test_bit(__I40E_DOWN, pf->state)) {
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]1201 /* Give it a little more time to try to come back */
1202 msleep(75);
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1203 if (!test_bit(__I40E_DOWN, pf->state))
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]1204 return i40e_nway_reset(netdev);
1205 }
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1206
1207 return err;
1208}
1209
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1210static u32 i40e_get_msglevel(struct net_device *netdev)
1211{
1212 struct i40e_netdev_priv *np = netdev_priv(netdev);
1213 struct i40e_pf *pf = np->vsi->back;
Alexander Duyck5d4ca232016-09-30 08:21:46 -0400[diff] [blame]1214 u32 debug_mask = pf->hw.debug_mask;
1215
1216 if (debug_mask)
1217 netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1218
1219 return pf->msg_enable;
1220}
1221
1222static void i40e_set_msglevel(struct net_device *netdev, u32 data)
1223{
1224 struct i40e_netdev_priv *np = netdev_priv(netdev);
1225 struct i40e_pf *pf = np->vsi->back;
1226
1227 if (I40E_DEBUG_USER & data)
1228 pf->hw.debug_mask = data;
Alexander Duyck5d4ca232016-09-30 08:21:46 -0400[diff] [blame]1229 else
1230 pf->msg_enable = data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1231}
1232
1233static int i40e_get_regs_len(struct net_device *netdev)
1234{
1235 int reg_count = 0;
1236 int i;
1237
1238 for (i = 0; i40e_reg_list[i].offset != 0; i++)
1239 reg_count += i40e_reg_list[i].elements;
1240
1241 return reg_count * sizeof(u32);
1242}
1243
1244static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1245 void *p)
1246{
1247 struct i40e_netdev_priv *np = netdev_priv(netdev);
1248 struct i40e_pf *pf = np->vsi->back;
1249 struct i40e_hw *hw = &pf->hw;
1250 u32 *reg_buf = p;
Jesse Brandeburgb85c94b2017-06-20 15:16:59 -0700[diff] [blame]1251 unsigned int i, j, ri;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1252 u32 reg;
1253
1254 /* Tell ethtool which driver-version-specific regs output we have.
1255 *
1256 * At some point, if we have ethtool doing special formatting of
1257 * this data, it will rely on this version number to know how to
1258 * interpret things. Hence, this needs to be updated if/when the
1259 * diags register table is changed.
1260 */
1261 regs->version = 1;
1262
1263 /* loop through the diags reg table for what to print */
1264 ri = 0;
1265 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1266 for (j = 0; j < i40e_reg_list[i].elements; j++) {
1267 reg = i40e_reg_list[i].offset
1268 + (j * i40e_reg_list[i].stride);
1269 reg_buf[ri++] = rd32(hw, reg);
1270 }
1271 }
1272
1273}
1274
1275static int i40e_get_eeprom(struct net_device *netdev,
1276 struct ethtool_eeprom *eeprom, u8 *bytes)
1277{
1278 struct i40e_netdev_priv *np = netdev_priv(netdev);
1279 struct i40e_hw *hw = &np->vsi->back->hw;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1280 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1281 int ret_val = 0, len, offset;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1282 u8 *eeprom_buff;
1283 u16 i, sectors;
1284 bool last;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1285 u32 magic;
1286
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1287#define I40E_NVM_SECTOR_SIZE 4096
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1288 if (eeprom->len == 0)
1289 return -EINVAL;
1290
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1291 /* check for NVMUpdate access method */
1292 magic = hw->vendor_id | (hw->device_id << 16);
1293 if (eeprom->magic && eeprom->magic != magic) {
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1294 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1295 int errno = 0;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1296
1297 /* make sure it is the right magic for NVMUpdate */
1298 if ((eeprom->magic >> 16) != hw->device_id)
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1299 errno = -EINVAL;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1300 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
1301 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1302 errno = -EBUSY;
1303 else
1304 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1305
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1306 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1307 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1308 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1309 ret_val, hw->aq.asq_last_status, errno,
1310 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1311 cmd->offset, cmd->data_size);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1312
1313 return errno;
1314 }
1315
1316 /* normal ethtool get_eeprom support */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1317 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1318
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1319 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1320 if (!eeprom_buff)
1321 return -ENOMEM;
1322
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1323 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1324 if (ret_val) {
1325 dev_info(&pf->pdev->dev,
1326 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1327 ret_val, hw->aq.asq_last_status);
1328 goto free_buff;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1329 }
1330
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1331 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1332 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1333 len = I40E_NVM_SECTOR_SIZE;
1334 last = false;
1335 for (i = 0; i < sectors; i++) {
1336 if (i == (sectors - 1)) {
1337 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1338 last = true;
1339 }
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1340 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1341 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1342 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1343 last, NULL);
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1344 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1345 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1346 "read NVM failed, invalid offset 0x%x\n",
1347 offset);
1348 break;
1349 } else if (ret_val &&
1350 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1351 dev_info(&pf->pdev->dev,
1352 "read NVM failed, access, offset 0x%x\n",
1353 offset);
1354 break;
1355 } else if (ret_val) {
1356 dev_info(&pf->pdev->dev,
1357 "read NVM failed offset %d err=%d status=0x%x\n",
1358 offset, ret_val, hw->aq.asq_last_status);
1359 break;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1360 }
1361 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1362
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1363 i40e_release_nvm(hw);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1364 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1365free_buff:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1366 kfree(eeprom_buff);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1367 return ret_val;
1368}
1369
1370static int i40e_get_eeprom_len(struct net_device *netdev)
1371{
1372 struct i40e_netdev_priv *np = netdev_priv(netdev);
1373 struct i40e_hw *hw = &np->vsi->back->hw;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1374 u32 val;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1375
Lihong Yangc271dd62017-01-30 12:29:32 -0800[diff] [blame]1376#define X722_EEPROM_SCOPE_LIMIT 0x5B9FFF
1377 if (hw->mac.type == I40E_MAC_X722) {
1378 val = X722_EEPROM_SCOPE_LIMIT + 1;
1379 return val;
1380 }
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1381 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1382 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1383 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1384 /* register returns value in power of 2, 64Kbyte chunks. */
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1385 val = (64 * 1024) * BIT(val);
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1386 return val;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1387}
1388
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1389static int i40e_set_eeprom(struct net_device *netdev,
1390 struct ethtool_eeprom *eeprom, u8 *bytes)
1391{
1392 struct i40e_netdev_priv *np = netdev_priv(netdev);
1393 struct i40e_hw *hw = &np->vsi->back->hw;
1394 struct i40e_pf *pf = np->vsi->back;
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1395 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1396 int ret_val = 0;
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1397 int errno = 0;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1398 u32 magic;
1399
1400 /* normal ethtool set_eeprom is not supported */
1401 magic = hw->vendor_id | (hw->device_id << 16);
1402 if (eeprom->magic == magic)
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1403 errno = -EOPNOTSUPP;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1404 /* check for NVMUpdate access method */
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1405 else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1406 errno = -EINVAL;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1407 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
1408 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1409 errno = -EBUSY;
1410 else
1411 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1412
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1413 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1414 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1415 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1416 ret_val, hw->aq.asq_last_status, errno,
1417 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1418 cmd->offset, cmd->data_size);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1419
1420 return errno;
1421}
1422
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1423static void i40e_get_drvinfo(struct net_device *netdev,
1424 struct ethtool_drvinfo *drvinfo)
1425{
1426 struct i40e_netdev_priv *np = netdev_priv(netdev);
1427 struct i40e_vsi *vsi = np->vsi;
1428 struct i40e_pf *pf = vsi->back;
1429
1430 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1431 strlcpy(drvinfo->version, i40e_driver_version_str,
1432 sizeof(drvinfo->version));
Shannon Nelson6dec1012015-09-28 14:12:30 -0400[diff] [blame]1433 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1434 sizeof(drvinfo->fw_version));
1435 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1436 sizeof(drvinfo->bus_info));
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]1437 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]1438 if (pf->hw.pf_id == 0)
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]1439 drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1440}
1441
1442static void i40e_get_ringparam(struct net_device *netdev,
1443 struct ethtool_ringparam *ring)
1444{
1445 struct i40e_netdev_priv *np = netdev_priv(netdev);
1446 struct i40e_pf *pf = np->vsi->back;
1447 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1448
1449 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1450 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1451 ring->rx_mini_max_pending = 0;
1452 ring->rx_jumbo_max_pending = 0;
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1453 ring->rx_pending = vsi->rx_rings[0]->count;
1454 ring->tx_pending = vsi->tx_rings[0]->count;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1455 ring->rx_mini_pending = 0;
1456 ring->rx_jumbo_pending = 0;
1457}
1458
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1459static bool i40e_active_tx_ring_index(struct i40e_vsi *vsi, u16 index)
1460{
1461 if (i40e_enabled_xdp_vsi(vsi)) {
1462 return index < vsi->num_queue_pairs ||
1463 (index >= vsi->alloc_queue_pairs &&
1464 index < vsi->alloc_queue_pairs + vsi->num_queue_pairs);
1465 }
1466
1467 return index < vsi->num_queue_pairs;
1468}
1469
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1470static int i40e_set_ringparam(struct net_device *netdev,
1471 struct ethtool_ringparam *ring)
1472{
1473 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1474 struct i40e_netdev_priv *np = netdev_priv(netdev);
Tushar Dave2f7679e2016-10-26 10:49:27 -0700[diff] [blame]1475 struct i40e_hw *hw = &np->vsi->back->hw;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1476 struct i40e_vsi *vsi = np->vsi;
1477 struct i40e_pf *pf = vsi->back;
1478 u32 new_rx_count, new_tx_count;
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1479 u16 tx_alloc_queue_pairs;
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1480 int timeout = 50;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1481 int i, err = 0;
1482
1483 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1484 return -EINVAL;
1485
Shannon Nelson1fa18372013-11-20 10:03:08 +0000[diff] [blame]1486 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1487 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1488 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1489 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1490 netdev_info(netdev,
1491 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1492 ring->tx_pending, ring->rx_pending,
1493 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1494 return -EINVAL;
1495 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1496
Shannon Nelson1fa18372013-11-20 10:03:08 +0000[diff] [blame]1497 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1498 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1499
1500 /* if nothing to do return success */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1501 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1502 (new_rx_count == vsi->rx_rings[0]->count))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1503 return 0;
1504
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1505 while (test_and_set_bit(__I40E_CONFIG_BUSY, pf->state)) {
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1506 timeout--;
1507 if (!timeout)
1508 return -EBUSY;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1509 usleep_range(1000, 2000);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1510 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1511
1512 if (!netif_running(vsi->netdev)) {
1513 /* simple case - set for the next time the netdev is started */
1514 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1515 vsi->tx_rings[i]->count = new_tx_count;
1516 vsi->rx_rings[i]->count = new_rx_count;
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1517 if (i40e_enabled_xdp_vsi(vsi))
1518 vsi->xdp_rings[i]->count = new_tx_count;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1519 }
1520 goto done;
1521 }
1522
1523 /* We can't just free everything and then setup again,
1524 * because the ISRs in MSI-X mode get passed pointers
1525 * to the Tx and Rx ring structs.
1526 */
1527
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1528 /* alloc updated Tx and XDP Tx resources */
1529 tx_alloc_queue_pairs = vsi->alloc_queue_pairs *
1530 (i40e_enabled_xdp_vsi(vsi) ? 2 : 1);
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1531 if (new_tx_count != vsi->tx_rings[0]->count) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1532 netdev_info(netdev,
1533 "Changing Tx descriptor count from %d to %d.\n",
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1534 vsi->tx_rings[0]->count, new_tx_count);
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1535 tx_rings = kcalloc(tx_alloc_queue_pairs,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1536 sizeof(struct i40e_ring), GFP_KERNEL);
1537 if (!tx_rings) {
1538 err = -ENOMEM;
1539 goto done;
1540 }
1541
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1542 for (i = 0; i < tx_alloc_queue_pairs; i++) {
1543 if (!i40e_active_tx_ring_index(vsi, i))
1544 continue;
1545
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1546 tx_rings[i] = *vsi->tx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1547 tx_rings[i].count = new_tx_count;
Jesse Brandeburg1e8efb42015-08-27 11:42:33 -0400[diff] [blame]1548 /* the desc and bi pointers will be reallocated in the
1549 * setup call
1550 */
1551 tx_rings[i].desc = NULL;
1552 tx_rings[i].rx_bi = NULL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1553 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1554 if (err) {
1555 while (i) {
1556 i--;
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1557 if (!i40e_active_tx_ring_index(vsi, i))
1558 continue;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1559 i40e_free_tx_resources(&tx_rings[i]);
1560 }
1561 kfree(tx_rings);
1562 tx_rings = NULL;
1563
1564 goto done;
1565 }
1566 }
1567 }
1568
1569 /* alloc updated Rx resources */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1570 if (new_rx_count != vsi->rx_rings[0]->count) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1571 netdev_info(netdev,
1572 "Changing Rx descriptor count from %d to %d\n",
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1573 vsi->rx_rings[0]->count, new_rx_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1574 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1575 sizeof(struct i40e_ring), GFP_KERNEL);
1576 if (!rx_rings) {
1577 err = -ENOMEM;
1578 goto free_tx;
1579 }
1580
1581 for (i = 0; i < vsi->num_queue_pairs; i++) {
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1582 struct i40e_ring *ring;
1583 u16 unused;
1584
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1585 /* clone ring and setup updated count */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1586 rx_rings[i] = *vsi->rx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1587 rx_rings[i].count = new_rx_count;
Jesse Brandeburg1e8efb42015-08-27 11:42:33 -0400[diff] [blame]1588 /* the desc and bi pointers will be reallocated in the
1589 * setup call
1590 */
1591 rx_rings[i].desc = NULL;
1592 rx_rings[i].rx_bi = NULL;
Jesper Dangaard Brouer87128822018-01-03 11:25:23 +0100[diff] [blame]1593 /* Clear cloned XDP RX-queue info before setup call */
1594 memset(&rx_rings[i].xdp_rxq, 0, sizeof(rx_rings[i].xdp_rxq));
Tushar Dave2f7679e2016-10-26 10:49:27 -0700[diff] [blame]1595 /* this is to allow wr32 to have something to write to
1596 * during early allocation of Rx buffers
1597 */
1598 rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1599 err = i40e_setup_rx_descriptors(&rx_rings[i]);
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1600 if (err)
1601 goto rx_unwind;
1602
1603 /* now allocate the Rx buffers to make sure the OS
1604 * has enough memory, any failure here means abort
1605 */
1606 ring = &rx_rings[i];
1607 unused = I40E_DESC_UNUSED(ring);
1608 err = i40e_alloc_rx_buffers(ring, unused);
1609rx_unwind:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1610 if (err) {
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1611 do {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1612 i40e_free_rx_resources(&rx_rings[i]);
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1613 } while (i--);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1614 kfree(rx_rings);
1615 rx_rings = NULL;
1616
1617 goto free_tx;
1618 }
1619 }
1620 }
1621
1622 /* Bring interface down, copy in the new ring info,
1623 * then restore the interface
1624 */
1625 i40e_down(vsi);
1626
1627 if (tx_rings) {
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1628 for (i = 0; i < tx_alloc_queue_pairs; i++) {
1629 if (i40e_active_tx_ring_index(vsi, i)) {
1630 i40e_free_tx_resources(vsi->tx_rings[i]);
1631 *vsi->tx_rings[i] = tx_rings[i];
1632 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1633 }
1634 kfree(tx_rings);
1635 tx_rings = NULL;
1636 }
1637
1638 if (rx_rings) {
1639 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1640 i40e_free_rx_resources(vsi->rx_rings[i]);
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1641 /* get the real tail offset */
1642 rx_rings[i].tail = vsi->rx_rings[i]->tail;
1643 /* this is to fake out the allocation routine
1644 * into thinking it has to realloc everything
1645 * but the recycling logic will let us re-use
1646 * the buffers allocated above
1647 */
1648 rx_rings[i].next_to_use = 0;
1649 rx_rings[i].next_to_clean = 0;
1650 rx_rings[i].next_to_alloc = 0;
1651 /* do a struct copy */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1652 *vsi->rx_rings[i] = rx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1653 }
1654 kfree(rx_rings);
1655 rx_rings = NULL;
1656 }
1657
1658 i40e_up(vsi);
1659
1660free_tx:
1661 /* error cleanup if the Rx allocations failed after getting Tx */
1662 if (tx_rings) {
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1663 for (i = 0; i < tx_alloc_queue_pairs; i++) {
1664 if (i40e_active_tx_ring_index(vsi, i))
1665 i40e_free_tx_resources(vsi->tx_rings[i]);
1666 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1667 kfree(tx_rings);
1668 tx_rings = NULL;
1669 }
1670
1671done:
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1672 clear_bit(__I40E_CONFIG_BUSY, pf->state);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1673
1674 return err;
1675}
1676
1677static int i40e_get_sset_count(struct net_device *netdev, int sset)
1678{
1679 struct i40e_netdev_priv *np = netdev_priv(netdev);
1680 struct i40e_vsi *vsi = np->vsi;
1681 struct i40e_pf *pf = vsi->back;
1682
1683 switch (sset) {
1684 case ETH_SS_TEST:
1685 return I40E_TEST_LEN;
1686 case ETH_SS_STATS:
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1687 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1688 int len = I40E_PF_STATS_LEN(netdev);
1689
Anjali Singhai Jaind1a8d272015-07-23 16:54:40 -0400[diff] [blame]1690 if ((pf->lan_veb != I40E_NO_VEB) &&
1691 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1692 len += I40E_VEB_STATS_TOTAL;
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1693 return len;
1694 } else {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1695 return I40E_VSI_STATS_LEN(netdev);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1696 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1697 case ETH_SS_PRIV_FLAGS:
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]1698 return I40E_PRIV_FLAGS_STR_LEN +
1699 (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1700 default:
1701 return -EOPNOTSUPP;
1702 }
1703}
1704
1705static void i40e_get_ethtool_stats(struct net_device *netdev,
1706 struct ethtool_stats *stats, u64 *data)
1707{
1708 struct i40e_netdev_priv *np = netdev_priv(netdev);
Akeem G Abodunrine7046ee2014-04-09 05:58:58 +0000[diff] [blame]1709 struct i40e_ring *tx_ring, *rx_ring;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1710 struct i40e_vsi *vsi = np->vsi;
1711 struct i40e_pf *pf = vsi->back;
Jesse Brandeburgb85c94b2017-06-20 15:16:59 -0700[diff] [blame]1712 unsigned int j;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1713 int i = 0;
1714 char *p;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1715 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1716 unsigned int start;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1717
1718 i40e_update_stats(vsi);
1719
1720 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1721 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1722 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1723 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1724 }
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]1725 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1726 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1727 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1728 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1729 }
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1730 rcu_read_lock();
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1731 for (j = 0; j < vsi->num_queue_pairs; j++) {
Mark Rutland6aa7de02017-10-23 14:07:29 -0700[diff] [blame]1732 tx_ring = READ_ONCE(vsi->tx_rings[j]);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1733
1734 if (!tx_ring)
1735 continue;
1736
1737 /* process Tx ring statistics */
1738 do {
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1739 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1740 data[i] = tx_ring->stats.packets;
1741 data[i + 1] = tx_ring->stats.bytes;
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1742 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1743 i += 2;
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1744
1745 /* Rx ring is the 2nd half of the queue pair */
1746 rx_ring = &tx_ring[1];
1747 do {
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1748 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1749 data[i] = rx_ring->stats.packets;
1750 data[i + 1] = rx_ring->stats.bytes;
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1751 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1752 i += 2;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1753 }
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1754 rcu_read_unlock();
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1755 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1756 return;
1757
Anjali Singhai Jaind1a8d272015-07-23 16:54:40 -0400[diff] [blame]1758 if ((pf->lan_veb != I40E_NO_VEB) &&
1759 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1760 struct i40e_veb *veb = pf->veb[pf->lan_veb];
Jesse Brandeburg6995b362015-08-28 17:55:54 -0400[diff] [blame]1761
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1762 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1763 p = (char *)veb;
1764 p += i40e_gstrings_veb_stats[j].stat_offset;
1765 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1766 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1767 }
Jesse Brandeburg74a6c662015-10-02 19:09:34 -0700[diff] [blame]1768 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1769 data[i++] = veb->tc_stats.tc_tx_packets[j];
1770 data[i++] = veb->tc_stats.tc_tx_bytes[j];
1771 data[i++] = veb->tc_stats.tc_rx_packets[j];
1772 data[i++] = veb->tc_stats.tc_rx_bytes[j];
1773 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1774 }
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1775 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1776 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1777 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1778 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1779 }
1780 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1781 data[i++] = pf->stats.priority_xon_tx[j];
1782 data[i++] = pf->stats.priority_xoff_tx[j];
1783 }
1784 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1785 data[i++] = pf->stats.priority_xon_rx[j];
1786 data[i++] = pf->stats.priority_xoff_rx[j];
1787 }
1788 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1789 data[i++] = pf->stats.priority_xon_2_xoff[j];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1790}
1791
1792static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1793 u8 *data)
1794{
1795 struct i40e_netdev_priv *np = netdev_priv(netdev);
1796 struct i40e_vsi *vsi = np->vsi;
1797 struct i40e_pf *pf = vsi->back;
1798 char *p = (char *)data;
Jesse Brandeburgb85c94b2017-06-20 15:16:59 -0700[diff] [blame]1799 unsigned int i;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1800
1801 switch (stringset) {
1802 case ETH_SS_TEST:
Jacob Kellere5d32202016-11-08 13:05:11 -0800[diff] [blame]1803 memcpy(data, i40e_gstrings_test,
1804 I40E_TEST_LEN * ETH_GSTRING_LEN);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1805 break;
1806 case ETH_SS_STATS:
1807 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1808 snprintf(p, ETH_GSTRING_LEN, "%s",
1809 i40e_gstrings_net_stats[i].stat_string);
1810 p += ETH_GSTRING_LEN;
1811 }
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]1812 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1813 snprintf(p, ETH_GSTRING_LEN, "%s",
1814 i40e_gstrings_misc_stats[i].stat_string);
1815 p += ETH_GSTRING_LEN;
1816 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1817 for (i = 0; i < vsi->num_queue_pairs; i++) {
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1818 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1819 p += ETH_GSTRING_LEN;
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1820 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1821 p += ETH_GSTRING_LEN;
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1822 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1823 p += ETH_GSTRING_LEN;
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1824 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1825 p += ETH_GSTRING_LEN;
1826 }
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1827 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1828 return;
1829
Anjali Singhai Jaind1a8d272015-07-23 16:54:40 -0400[diff] [blame]1830 if ((pf->lan_veb != I40E_NO_VEB) &&
1831 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1832 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1833 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1834 i40e_gstrings_veb_stats[i].stat_string);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1835 p += ETH_GSTRING_LEN;
1836 }
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1837 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1838 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1839 "veb.tc_%d_tx_packets", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1840 p += ETH_GSTRING_LEN;
1841 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1842 "veb.tc_%d_tx_bytes", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1843 p += ETH_GSTRING_LEN;
1844 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1845 "veb.tc_%d_rx_packets", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1846 p += ETH_GSTRING_LEN;
1847 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1848 "veb.tc_%d_rx_bytes", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1849 p += ETH_GSTRING_LEN;
1850 }
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1851 }
1852 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1853 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1854 i40e_gstrings_stats[i].stat_string);
1855 p += ETH_GSTRING_LEN;
1856 }
1857 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1858 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1859 "port.tx_priority_%d_xon", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1860 p += ETH_GSTRING_LEN;
1861 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1862 "port.tx_priority_%d_xoff", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1863 p += ETH_GSTRING_LEN;
1864 }
1865 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1866 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1867 "port.rx_priority_%d_xon", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1868 p += ETH_GSTRING_LEN;
1869 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1870 "port.rx_priority_%d_xoff", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1871 p += ETH_GSTRING_LEN;
1872 }
1873 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1874 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1875 "port.rx_priority_%d_xon_2_xoff", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1876 p += ETH_GSTRING_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1877 }
1878 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1879 break;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1880 case ETH_SS_PRIV_FLAGS:
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]1881 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1882 snprintf(p, ETH_GSTRING_LEN, "%s",
1883 i40e_gstrings_priv_flags[i].flag_string);
1884 p += ETH_GSTRING_LEN;
1885 }
1886 if (pf->hw.pf_id != 0)
1887 break;
1888 for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) {
1889 snprintf(p, ETH_GSTRING_LEN, "%s",
1890 i40e_gl_gstrings_priv_flags[i].flag_string);
1891 p += ETH_GSTRING_LEN;
1892 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1893 break;
Akeem G Abodunrin579b23d2015-02-24 06:58:42 +0000[diff] [blame]1894 default:
1895 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1896 }
1897}
1898
1899static int i40e_get_ts_info(struct net_device *dev,
1900 struct ethtool_ts_info *info)
1901{
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1902 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1903
Jacob Kellerfe88bda2014-11-11 20:05:58 +0000[diff] [blame]1904 /* only report HW timestamping if PTP is enabled */
1905 if (!(pf->flags & I40E_FLAG_PTP))
1906 return ethtool_op_get_ts_info(dev, info);
1907
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1908 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1909 SOF_TIMESTAMPING_RX_SOFTWARE |
1910 SOF_TIMESTAMPING_SOFTWARE |
1911 SOF_TIMESTAMPING_TX_HARDWARE |
1912 SOF_TIMESTAMPING_RX_HARDWARE |
1913 SOF_TIMESTAMPING_RAW_HARDWARE;
1914
1915 if (pf->ptp_clock)
1916 info->phc_index = ptp_clock_index(pf->ptp_clock);
1917 else
1918 info->phc_index = -1;
1919
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1920 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1921
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1922 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
Jacob Keller1e28e862016-11-11 12:39:25 -0800[diff] [blame]1923 BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
1924 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
1925 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
1926
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]1927 if (pf->hw_features & I40E_HW_PTP_L4_CAPABLE)
Jacob Keller1e28e862016-11-11 12:39:25 -0800[diff] [blame]1928 info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1929 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1930 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
1931 BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1932 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
1933 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1934 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1935 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1936
1937 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1938}
1939
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1940static int i40e_link_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1941{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1942 struct i40e_netdev_priv *np = netdev_priv(netdev);
1943 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburga72a5abc2015-08-26 15:14:19 -0400[diff] [blame]1944 i40e_status status;
1945 bool link_up = false;
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1946
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1947 netif_info(pf, hw, netdev, "link test\n");
Jesse Brandeburga72a5abc2015-08-26 15:14:19 -0400[diff] [blame]1948 status = i40e_get_link_status(&pf->hw, &link_up);
1949 if (status) {
1950 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1951 *data = 1;
1952 return *data;
1953 }
1954
1955 if (link_up)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1956 *data = 0;
1957 else
1958 *data = 1;
1959
1960 return *data;
1961}
1962
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1963static int i40e_reg_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1964{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1965 struct i40e_netdev_priv *np = netdev_priv(netdev);
1966 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1967
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1968 netif_info(pf, hw, netdev, "register test\n");
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1969 *data = i40e_diag_reg_test(&pf->hw);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1970
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1971 return *data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1972}
1973
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1974static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1975{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1976 struct i40e_netdev_priv *np = netdev_priv(netdev);
1977 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1978
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1979 netif_info(pf, hw, netdev, "eeprom test\n");
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1980 *data = i40e_diag_eeprom_test(&pf->hw);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1981
Shannon Nelson4443ec92014-11-13 08:23:12 +0000[diff] [blame]1982 /* forcebly clear the NVM Update state machine */
1983 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1984
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1985 return *data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1986}
1987
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1988static int i40e_intr_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1989{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1990 struct i40e_netdev_priv *np = netdev_priv(netdev);
1991 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1992 u16 swc_old = pf->sw_int_count;
1993
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1994 netif_info(pf, hw, netdev, "interrupt test\n");
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1995 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1996 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
Shannon Nelson5d1ff1062014-11-11 20:04:35 +0000[diff] [blame]1997 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1998 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1999 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
2000 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]2001 usleep_range(1000, 2000);
2002 *data = (swc_old == pf->sw_int_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2003
2004 return *data;
2005}
2006
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2007static inline bool i40e_active_vfs(struct i40e_pf *pf)
2008{
2009 struct i40e_vf *vfs = pf->vf;
2010 int i;
2011
2012 for (i = 0; i < pf->num_alloc_vfs; i++)
Jacob Keller6322e632017-04-13 04:45:54 -0400[diff] [blame]2013 if (test_bit(I40E_VF_STATE_ACTIVE, &vfs[i].vf_states))
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2014 return true;
2015 return false;
2016}
2017
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]2018static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
2019{
Alexander Duyck4b816442016-10-11 15:26:53 -0700[diff] [blame]2020 return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]2021}
2022
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2023static void i40e_diag_test(struct net_device *netdev,
2024 struct ethtool_test *eth_test, u64 *data)
2025{
2026 struct i40e_netdev_priv *np = netdev_priv(netdev);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]2027 bool if_running = netif_running(netdev);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2028 struct i40e_pf *pf = np->vsi->back;
2029
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2030 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2031 /* Offline tests */
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]2032 netif_info(pf, drv, netdev, "offline testing starting\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2033
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]2034 set_bit(__I40E_TESTING, pf->state);
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2035
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]2036 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2037 dev_warn(&pf->pdev->dev,
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]2038 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2039 data[I40E_ETH_TEST_REG] = 1;
2040 data[I40E_ETH_TEST_EEPROM] = 1;
2041 data[I40E_ETH_TEST_INTR] = 1;
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2042 data[I40E_ETH_TEST_LINK] = 1;
2043 eth_test->flags |= ETH_TEST_FL_FAILED;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]2044 clear_bit(__I40E_TESTING, pf->state);
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2045 goto skip_ol_tests;
2046 }
2047
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]2048 /* If the device is online then take it offline */
2049 if (if_running)
2050 /* indicate we're in test mode */
Stefan Assmann08ca3872016-02-03 09:20:47 +0100[diff] [blame]2051 i40e_close(netdev);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]2052 else
Greg Roseb4e53f02015-07-10 19:36:03 -0400[diff] [blame]2053 /* This reset does not affect link - if it is
2054 * changed to a type of reset that does affect
2055 * link then the following link test would have
2056 * to be moved to before the reset
2057 */
Maciej Sosin373149f2017-04-05 07:50:55 -0400[diff] [blame]2058 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]2059
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]2060 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2061 eth_test->flags |= ETH_TEST_FL_FAILED;
2062
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]2063 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2064 eth_test->flags |= ETH_TEST_FL_FAILED;
2065
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]2066 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2067 eth_test->flags |= ETH_TEST_FL_FAILED;
2068
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]2069 /* run reg test last, a reset is required after it */
2070 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
2071 eth_test->flags |= ETH_TEST_FL_FAILED;
2072
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]2073 clear_bit(__I40E_TESTING, pf->state);
Maciej Sosin373149f2017-04-05 07:50:55 -0400[diff] [blame]2074 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]2075
2076 if (if_running)
Stefan Assmann08ca3872016-02-03 09:20:47 +0100[diff] [blame]2077 i40e_open(netdev);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2078 } else {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2079 /* Online tests */
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]2080 netif_info(pf, drv, netdev, "online testing starting\n");
2081
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]2082 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2083 eth_test->flags |= ETH_TEST_FL_FAILED;
2084
2085 /* Offline only tests, not run in online; pass by default */
2086 data[I40E_ETH_TEST_REG] = 0;
2087 data[I40E_ETH_TEST_EEPROM] = 0;
2088 data[I40E_ETH_TEST_INTR] = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2089 }
Shannon Nelsonc140c172013-11-20 10:02:58 +0000[diff] [blame]2090
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]2091skip_ol_tests:
2092
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]2093 netif_info(pf, drv, netdev, "testing finished\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2094}
2095
2096static void i40e_get_wol(struct net_device *netdev,
2097 struct ethtool_wolinfo *wol)
2098{
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2099 struct i40e_netdev_priv *np = netdev_priv(netdev);
2100 struct i40e_pf *pf = np->vsi->back;
2101 struct i40e_hw *hw = &pf->hw;
2102 u16 wol_nvm_bits;
2103
2104 /* NVM bit on means WoL disabled for the port */
2105 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2106 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2107 wol->supported = 0;
2108 wol->wolopts = 0;
2109 } else {
2110 wol->supported = WAKE_MAGIC;
2111 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
2112 }
2113}
2114
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]2115/**
2116 * i40e_set_wol - set the WakeOnLAN configuration
2117 * @netdev: the netdev in question
2118 * @wol: the ethtool WoL setting data
2119 **/
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2120static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2121{
2122 struct i40e_netdev_priv *np = netdev_priv(netdev);
2123 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]2124 struct i40e_vsi *vsi = np->vsi;
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2125 struct i40e_hw *hw = &pf->hw;
2126 u16 wol_nvm_bits;
2127
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]2128 /* WoL not supported if this isn't the controlling PF on the port */
2129 if (hw->partition_id != 1) {
2130 i40e_partition_setting_complaint(pf);
2131 return -EOPNOTSUPP;
2132 }
2133
2134 if (vsi != pf->vsi[pf->lan_vsi])
2135 return -EOPNOTSUPP;
2136
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2137 /* NVM bit on means WoL disabled for the port */
2138 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2139 if (BIT(hw->port) & wol_nvm_bits)
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2140 return -EOPNOTSUPP;
2141
2142 /* only magic packet is supported */
2143 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
2144 return -EOPNOTSUPP;
2145
2146 /* is this a new value? */
2147 if (pf->wol_en != !!wol->wolopts) {
2148 pf->wol_en = !!wol->wolopts;
2149 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
2150 }
2151
2152 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2153}
2154
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2155static int i40e_set_phys_id(struct net_device *netdev,
2156 enum ethtool_phys_id_state state)
2157{
2158 struct i40e_netdev_priv *np = netdev_priv(netdev);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2159 i40e_status ret = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2160 struct i40e_pf *pf = np->vsi->back;
2161 struct i40e_hw *hw = &pf->hw;
2162 int blink_freq = 2;
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2163 u16 temp_status;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2164
2165 switch (state) {
2166 case ETHTOOL_ID_ACTIVE:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2167 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2168 pf->led_status = i40e_led_get(hw);
2169 } else {
Mariusz Stachura052b93d2017-08-29 05:32:40 -0400[diff] [blame]2170 if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE))
2171 i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL,
2172 NULL);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2173 ret = i40e_led_get_phy(hw, &temp_status,
2174 &pf->phy_led_val);
2175 pf->led_status = temp_status;
2176 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2177 return blink_freq;
2178 case ETHTOOL_ID_ON:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2179 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS))
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2180 i40e_led_set(hw, 0xf, false);
2181 else
2182 ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2183 break;
2184 case ETHTOOL_ID_OFF:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2185 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS))
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2186 i40e_led_set(hw, 0x0, false);
2187 else
2188 ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2189 break;
2190 case ETHTOOL_ID_INACTIVE:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2191 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
Henry Tieman4f9b4302016-11-08 13:05:18 -0800[diff] [blame]2192 i40e_led_set(hw, pf->led_status, false);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2193 } else {
2194 ret = i40e_led_set_phy(hw, false, pf->led_status,
2195 (pf->phy_led_val |
2196 I40E_PHY_LED_MODE_ORIG));
Mariusz Stachura052b93d2017-08-29 05:32:40 -0400[diff] [blame]2197 if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE))
2198 i40e_aq_set_phy_debug(hw, 0, NULL);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2199 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2200 break;
Akeem G Abodunrin579b23d2015-02-24 06:58:42 +0000[diff] [blame]2201 default:
2202 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2203 }
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2204 if (ret)
2205 return -ENOENT;
2206 else
2207 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2208}
2209
2210/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
2211 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
2212 * 125us (8000 interrupts per second) == ITR(62)
2213 */
2214
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2215/**
2216 * __i40e_get_coalesce - get per-queue coalesce settings
2217 * @netdev: the netdev to check
2218 * @ec: ethtool coalesce data structure
2219 * @queue: which queue to pick
2220 *
2221 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
2222 * are per queue. If queue is <0 then we default to queue 0 as the
2223 * representative value.
2224 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2225static int __i40e_get_coalesce(struct net_device *netdev,
2226 struct ethtool_coalesce *ec,
2227 int queue)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2228{
2229 struct i40e_netdev_priv *np = netdev_priv(netdev);
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2230 struct i40e_ring *rx_ring, *tx_ring;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2231 struct i40e_vsi *vsi = np->vsi;
2232
2233 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
2234 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
2235
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]2236 /* rx and tx usecs has per queue value. If user doesn't specify the
2237 * queue, return queue 0's value to represent.
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2238 */
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]2239 if (queue < 0)
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2240 queue = 0;
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]2241 else if (queue >= vsi->num_queue_pairs)
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2242 return -EINVAL;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2243
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2244 rx_ring = vsi->rx_rings[queue];
2245 tx_ring = vsi->tx_rings[queue];
2246
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2247 if (ITR_IS_DYNAMIC(rx_ring->itr_setting))
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2248 ec->use_adaptive_rx_coalesce = 1;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2249
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2250 if (ITR_IS_DYNAMIC(tx_ring->itr_setting))
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2251 ec->use_adaptive_tx_coalesce = 1;
2252
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2253 ec->rx_coalesce_usecs = rx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
2254 ec->tx_coalesce_usecs = tx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2255
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2256 /* we use the _usecs_high to store/set the interrupt rate limit
2257 * that the hardware supports, that almost but not quite
2258 * fits the original intent of the ethtool variable,
2259 * the rx_coalesce_usecs_high limits total interrupts
2260 * per second from both tx/rx sources.
2261 */
2262 ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
2263 ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2264
2265 return 0;
2266}
2267
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2268/**
2269 * i40e_get_coalesce - get a netdev's coalesce settings
2270 * @netdev: the netdev to check
2271 * @ec: ethtool coalesce data structure
2272 *
2273 * Gets the coalesce settings for a particular netdev. Note that if user has
2274 * modified per-queue settings, this only guarantees to represent queue 0. See
2275 * __i40e_get_coalesce for more details.
2276 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2277static int i40e_get_coalesce(struct net_device *netdev,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2278 struct ethtool_coalesce *ec)
2279{
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2280 return __i40e_get_coalesce(netdev, ec, -1);
2281}
2282
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2283/**
2284 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
2285 * @netdev: netdev structure
2286 * @ec: ethtool's coalesce settings
2287 * @queue: the particular queue to read
2288 *
2289 * Will read a specific queue's coalesce settings
2290 **/
Kan Liangbe280ba2016-02-19 09:24:05 -0500[diff] [blame]2291static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
2292 struct ethtool_coalesce *ec)
2293{
2294 return __i40e_get_coalesce(netdev, ec, queue);
2295}
2296
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2297/**
2298 * i40e_set_itr_per_queue - set ITR values for specific queue
2299 * @vsi: the VSI to set values for
2300 * @ec: coalesce settings from ethtool
2301 * @queue: the queue to modify
2302 *
2303 * Change the ITR settings for a specific queue.
2304 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2305static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
2306 struct ethtool_coalesce *ec,
2307 int queue)
2308{
Alexander Duyckb5b5f372017-12-27 08:15:51 -0500[diff] [blame]2309 struct i40e_ring *rx_ring = vsi->rx_rings[queue];
2310 struct i40e_ring *tx_ring = vsi->tx_rings[queue];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2311 struct i40e_pf *pf = vsi->back;
2312 struct i40e_hw *hw = &pf->hw;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2313 struct i40e_q_vector *q_vector;
Alexander Duyck8b99b112017-12-29 08:50:44 -0500[diff] [blame]2314 u16 intrl;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2315
Alan Brady1c0e6a32016-11-28 16:06:02 -0800[diff] [blame]2316 intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit);
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2317
Alexander Duyck92418fb2017-12-29 08:51:08 -0500[diff] [blame]2318 rx_ring->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs);
2319 tx_ring->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs);
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2320
2321 if (ec->use_adaptive_rx_coalesce)
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2322 rx_ring->itr_setting |= I40E_ITR_DYNAMIC;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2323 else
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2324 rx_ring->itr_setting &= ~I40E_ITR_DYNAMIC;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2325
2326 if (ec->use_adaptive_tx_coalesce)
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2327 tx_ring->itr_setting |= I40E_ITR_DYNAMIC;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2328 else
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2329 tx_ring->itr_setting &= ~I40E_ITR_DYNAMIC;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2330
Alexander Duyckb5b5f372017-12-27 08:15:51 -0500[diff] [blame]2331 q_vector = rx_ring->q_vector;
Alexander Duyck556fdfd2017-12-29 08:51:25 -0500[diff] [blame]2332 q_vector->rx.target_itr = ITR_TO_REG(rx_ring->itr_setting);
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2333
Alexander Duyckb5b5f372017-12-27 08:15:51 -0500[diff] [blame]2334 q_vector = tx_ring->q_vector;
Alexander Duyck556fdfd2017-12-29 08:51:25 -0500[diff] [blame]2335 q_vector->tx.target_itr = ITR_TO_REG(tx_ring->itr_setting);
2336
2337 /* The interrupt handler itself will take care of programming
2338 * the Tx and Rx ITR values based on the values we have entered
2339 * into the q_vector, no need to write the values now.
2340 */
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2341
Alexander Duyck8b99b112017-12-29 08:50:44 -0500[diff] [blame]2342 wr32(hw, I40E_PFINT_RATEN(q_vector->reg_idx), intrl);
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2343 i40e_flush(hw);
2344}
2345
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2346/**
2347 * __i40e_set_coalesce - set coalesce settings for particular queue
2348 * @netdev: the netdev to change
2349 * @ec: ethtool coalesce settings
2350 * @queue: the queue to change
2351 *
2352 * Sets the coalesce settings for a particular queue.
2353 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2354static int __i40e_set_coalesce(struct net_device *netdev,
2355 struct ethtool_coalesce *ec,
2356 int queue)
2357{
2358 struct i40e_netdev_priv *np = netdev_priv(netdev);
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2359 u16 intrl_reg, cur_rx_itr, cur_tx_itr;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2360 struct i40e_vsi *vsi = np->vsi;
2361 struct i40e_pf *pf = vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2362 int i;
2363
2364 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
2365 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
2366
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2367 if (queue < 0) {
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2368 cur_rx_itr = vsi->rx_rings[0]->itr_setting;
2369 cur_tx_itr = vsi->tx_rings[0]->itr_setting;
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2370 } else if (queue < vsi->num_queue_pairs) {
Alexander Duyck40588ca2017-12-29 08:49:28 -0500[diff] [blame]2371 cur_rx_itr = vsi->rx_rings[queue]->itr_setting;
2372 cur_tx_itr = vsi->tx_rings[queue]->itr_setting;
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2373 } else {
2374 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
2375 vsi->num_queue_pairs - 1);
2376 return -EINVAL;
2377 }
2378
2379 cur_tx_itr &= ~I40E_ITR_DYNAMIC;
2380 cur_rx_itr &= ~I40E_ITR_DYNAMIC;
2381
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2382 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
2383 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
2384 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
2385 return -EINVAL;
2386 }
2387
Alan Brady33084062016-11-28 16:06:03 -0800[diff] [blame]2388 if (ec->rx_coalesce_usecs_high > INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
2389 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-%lu\n",
2390 INTRL_REG_TO_USEC(I40E_MAX_INTRL));
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2391 return -EINVAL;
2392 }
2393
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2394 if (ec->rx_coalesce_usecs != cur_rx_itr &&
2395 ec->use_adaptive_rx_coalesce) {
2396 netif_info(pf, drv, netdev, "RX interrupt moderation cannot be changed if adaptive-rx is enabled.\n");
2397 return -EINVAL;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2398 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2399
Alexander Duyck92418fb2017-12-29 08:51:08 -0500[diff] [blame]2400 if (ec->rx_coalesce_usecs > I40E_MAX_ITR) {
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2401 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
2402 return -EINVAL;
2403 }
2404
2405 if (ec->tx_coalesce_usecs != cur_tx_itr &&
2406 ec->use_adaptive_tx_coalesce) {
2407 netif_info(pf, drv, netdev, "TX interrupt moderation cannot be changed if adaptive-tx is enabled.\n");
2408 return -EINVAL;
2409 }
2410
Alexander Duyck92418fb2017-12-29 08:51:08 -0500[diff] [blame]2411 if (ec->tx_coalesce_usecs > I40E_MAX_ITR) {
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2412 netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
2413 return -EINVAL;
2414 }
2415
2416 if (ec->use_adaptive_rx_coalesce && !cur_rx_itr)
Alexander Duyck92418fb2017-12-29 08:51:08 -0500[diff] [blame]2417 ec->rx_coalesce_usecs = I40E_MIN_ITR;
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2418
2419 if (ec->use_adaptive_tx_coalesce && !cur_tx_itr)
Alexander Duyck92418fb2017-12-29 08:51:08 -0500[diff] [blame]2420 ec->tx_coalesce_usecs = I40E_MIN_ITR;
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2421
Alan Brady33084062016-11-28 16:06:03 -0800[diff] [blame]2422 intrl_reg = i40e_intrl_usec_to_reg(ec->rx_coalesce_usecs_high);
2423 vsi->int_rate_limit = INTRL_REG_TO_USEC(intrl_reg);
2424 if (vsi->int_rate_limit != ec->rx_coalesce_usecs_high) {
2425 netif_info(pf, drv, netdev, "Interrupt rate limit rounded down to %d\n",
2426 vsi->int_rate_limit);
2427 }
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2428
Alan Bradya03af692017-10-05 14:53:37 -0700[diff] [blame]2429 /* rx and tx usecs has per queue value. If user doesn't specify the
2430 * queue, apply to all queues.
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2431 */
2432 if (queue < 0) {
2433 for (i = 0; i < vsi->num_queue_pairs; i++)
2434 i40e_set_itr_per_queue(vsi, ec, i);
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2435 } else {
Alan Brady06b2dec2017-07-12 05:46:06 -0400[diff] [blame]2436 i40e_set_itr_per_queue(vsi, ec, queue);
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2437 }
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2438
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2439 return 0;
2440}
2441
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2442/**
2443 * i40e_set_coalesce - set coalesce settings for every queue on the netdev
2444 * @netdev: the netdev to change
2445 * @ec: ethtool coalesce settings
2446 *
2447 * This will set each queue to the same coalesce settings.
2448 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2449static int i40e_set_coalesce(struct net_device *netdev,
2450 struct ethtool_coalesce *ec)
2451{
2452 return __i40e_set_coalesce(netdev, ec, -1);
2453}
2454
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2455/**
2456 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
2457 * @netdev: the netdev to change
2458 * @ec: ethtool's coalesce settings
2459 * @queue: the queue to change
2460 *
2461 * Sets the specified queue's coalesce settings.
2462 **/
Kan Liangf3757a42016-02-19 09:24:06 -0500[diff] [blame]2463static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
2464 struct ethtool_coalesce *ec)
2465{
2466 return __i40e_set_coalesce(netdev, ec, queue);
2467}
2468
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2469/**
2470 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
2471 * @pf: pointer to the physical function struct
2472 * @cmd: ethtool rxnfc command
2473 *
2474 * Returns Success if the flow is supported, else Invalid Input.
2475 **/
2476static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
2477{
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2478 struct i40e_hw *hw = &pf->hw;
2479 u8 flow_pctype = 0;
2480 u64 i_set = 0;
2481
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2482 cmd->data = 0;
2483
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2484 switch (cmd->flow_type) {
2485 case TCP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2486 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2487 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2488 case UDP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2489 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2490 break;
2491 case TCP_V6_FLOW:
2492 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2493 break;
2494 case UDP_V6_FLOW:
2495 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2496 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2497 case SCTP_V4_FLOW:
2498 case AH_ESP_V4_FLOW:
2499 case AH_V4_FLOW:
2500 case ESP_V4_FLOW:
2501 case IPV4_FLOW:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2502 case SCTP_V6_FLOW:
2503 case AH_ESP_V6_FLOW:
2504 case AH_V6_FLOW:
2505 case ESP_V6_FLOW:
2506 case IPV6_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2507 /* Default is src/dest for IP, no matter the L4 hashing */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2508 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2509 break;
2510 default:
2511 return -EINVAL;
2512 }
2513
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2514 /* Read flow based hash input set register */
2515 if (flow_pctype) {
2516 i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2517 flow_pctype)) |
2518 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2519 flow_pctype)) << 32);
2520 }
2521
2522 /* Process bits of hash input set */
2523 if (i_set) {
2524 if (i_set & I40E_L4_SRC_MASK)
2525 cmd->data |= RXH_L4_B_0_1;
2526 if (i_set & I40E_L4_DST_MASK)
2527 cmd->data |= RXH_L4_B_2_3;
2528
2529 if (cmd->flow_type == TCP_V4_FLOW ||
2530 cmd->flow_type == UDP_V4_FLOW) {
2531 if (i_set & I40E_L3_SRC_MASK)
2532 cmd->data |= RXH_IP_SRC;
2533 if (i_set & I40E_L3_DST_MASK)
2534 cmd->data |= RXH_IP_DST;
2535 } else if (cmd->flow_type == TCP_V6_FLOW ||
2536 cmd->flow_type == UDP_V6_FLOW) {
2537 if (i_set & I40E_L3_V6_SRC_MASK)
2538 cmd->data |= RXH_IP_SRC;
2539 if (i_set & I40E_L3_V6_DST_MASK)
2540 cmd->data |= RXH_IP_DST;
2541 }
2542 }
2543
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2544 return 0;
2545}
2546
2547/**
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]2548 * i40e_check_mask - Check whether a mask field is set
2549 * @mask: the full mask value
2550 * @field; mask of the field to check
2551 *
2552 * If the given mask is fully set, return positive value. If the mask for the
2553 * field is fully unset, return zero. Otherwise return a negative error code.
2554 **/
2555static int i40e_check_mask(u64 mask, u64 field)
2556{
2557 u64 value = mask & field;
2558
2559 if (value == field)
2560 return 1;
2561 else if (!value)
2562 return 0;
2563 else
2564 return -1;
2565}
2566
2567/**
2568 * i40e_parse_rx_flow_user_data - Deconstruct user-defined data
2569 * @fsp: pointer to rx flow specification
2570 * @data: pointer to userdef data structure for storage
2571 *
2572 * Read the user-defined data and deconstruct the value into a structure. No
2573 * other code should read the user-defined data, so as to ensure that every
2574 * place consistently reads the value correctly.
2575 *
2576 * The user-defined field is a 64bit Big Endian format value, which we
2577 * deconstruct by reading bits or bit fields from it. Single bit flags shall
2578 * be defined starting from the highest bits, while small bit field values
2579 * shall be defined starting from the lowest bits.
2580 *
2581 * Returns 0 if the data is valid, and non-zero if the userdef data is invalid
2582 * and the filter should be rejected. The data structure will always be
2583 * modified even if FLOW_EXT is not set.
2584 *
2585 **/
2586static int i40e_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
2587 struct i40e_rx_flow_userdef *data)
2588{
2589 u64 value, mask;
2590 int valid;
2591
2592 /* Zero memory first so it's always consistent. */
2593 memset(data, 0, sizeof(*data));
2594
2595 if (!(fsp->flow_type & FLOW_EXT))
2596 return 0;
2597
2598 value = be64_to_cpu(*((__be64 *)fsp->h_ext.data));
2599 mask = be64_to_cpu(*((__be64 *)fsp->m_ext.data));
2600
2601#define I40E_USERDEF_FLEX_WORD GENMASK_ULL(15, 0)
2602#define I40E_USERDEF_FLEX_OFFSET GENMASK_ULL(31, 16)
2603#define I40E_USERDEF_FLEX_FILTER GENMASK_ULL(31, 0)
2604
2605 valid = i40e_check_mask(mask, I40E_USERDEF_FLEX_FILTER);
2606 if (valid < 0) {
2607 return -EINVAL;
2608 } else if (valid) {
2609 data->flex_word = value & I40E_USERDEF_FLEX_WORD;
2610 data->flex_offset =
2611 (value & I40E_USERDEF_FLEX_OFFSET) >> 16;
2612 data->flex_filter = true;
2613 }
2614
2615 return 0;
2616}
2617
2618/**
2619 * i40e_fill_rx_flow_user_data - Fill in user-defined data field
2620 * @fsp: pointer to rx_flow specification
2621 *
2622 * Reads the userdef data structure and properly fills in the user defined
2623 * fields of the rx_flow_spec.
2624 **/
2625static void i40e_fill_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
2626 struct i40e_rx_flow_userdef *data)
2627{
2628 u64 value = 0, mask = 0;
2629
2630 if (data->flex_filter) {
2631 value |= data->flex_word;
2632 value |= (u64)data->flex_offset << 16;
2633 mask |= I40E_USERDEF_FLEX_FILTER;
2634 }
2635
2636 if (value || mask)
2637 fsp->flow_type |= FLOW_EXT;
2638
2639 *((__be64 *)fsp->h_ext.data) = cpu_to_be64(value);
2640 *((__be64 *)fsp->m_ext.data) = cpu_to_be64(mask);
2641}
2642
2643/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2644 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2645 * @pf: Pointer to the physical function struct
2646 * @cmd: The command to get or set Rx flow classification rules
2647 * @rule_locs: Array of used rule locations
2648 *
2649 * This function populates both the total and actual rule count of
2650 * the ethtool flow classification command
2651 *
2652 * Returns 0 on success or -EMSGSIZE if entry not found
2653 **/
2654static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2655 struct ethtool_rxnfc *cmd,
2656 u32 *rule_locs)
2657{
2658 struct i40e_fdir_filter *rule;
2659 struct hlist_node *node2;
2660 int cnt = 0;
2661
2662 /* report total rule count */
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000[diff] [blame]2663 cmd->data = i40e_get_fd_cnt_all(pf);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2664
2665 hlist_for_each_entry_safe(rule, node2,
2666 &pf->fdir_filter_list, fdir_node) {
2667 if (cnt == cmd->rule_cnt)
2668 return -EMSGSIZE;
2669
2670 rule_locs[cnt] = rule->fd_id;
2671 cnt++;
2672 }
2673
2674 cmd->rule_cnt = cnt;
2675
2676 return 0;
2677}
2678
2679/**
2680 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2681 * @pf: Pointer to the physical function struct
2682 * @cmd: The command to get or set Rx flow classification rules
2683 *
2684 * This function looks up a filter based on the Rx flow classification
2685 * command and fills the flow spec info for it if found
2686 *
2687 * Returns 0 on success or -EINVAL if filter not found
2688 **/
2689static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2690 struct ethtool_rxnfc *cmd)
2691{
2692 struct ethtool_rx_flow_spec *fsp =
2693 (struct ethtool_rx_flow_spec *)&cmd->fs;
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]2694 struct i40e_rx_flow_userdef userdef = {0};
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2695 struct i40e_fdir_filter *rule = NULL;
2696 struct hlist_node *node2;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2697 u64 input_set;
2698 u16 index;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2699
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2700 hlist_for_each_entry_safe(rule, node2,
2701 &pf->fdir_filter_list, fdir_node) {
2702 if (fsp->location <= rule->fd_id)
2703 break;
2704 }
2705
2706 if (!rule || fsp->location != rule->fd_id)
2707 return -EINVAL;
2708
2709 fsp->flow_type = rule->flow_type;
Anjali Singhai Jain7d54eb22014-03-14 07:32:21 +0000[diff] [blame]2710 if (fsp->flow_type == IP_USER_FLOW) {
2711 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2712 fsp->h_u.usr_ip4_spec.proto = 0;
2713 fsp->m_u.usr_ip4_spec.proto = 0;
2714 }
2715
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000[diff] [blame]2716 /* Reverse the src and dest notion, since the HW views them from
2717 * Tx perspective where as the user expects it from Rx filter view.
2718 */
2719 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2720 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
Jacob Keller8ce43dc2017-02-06 14:38:39 -0800[diff] [blame]2721 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip;
2722 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip;
Anjali Singhai Jain387ce1a2014-05-22 06:32:23 +0000[diff] [blame]2723
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2724 switch (rule->flow_type) {
Jacob Kellerf223c872017-02-06 14:38:51 -0800[diff] [blame]2725 case SCTP_V4_FLOW:
2726 index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP;
2727 break;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2728 case TCP_V4_FLOW:
2729 index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2730 break;
2731 case UDP_V4_FLOW:
2732 index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2733 break;
2734 case IP_USER_FLOW:
2735 index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
2736 break;
2737 default:
2738 /* If we have stored a filter with a flow type not listed here
2739 * it is almost certainly a driver bug. WARN(), and then
2740 * assign the input_set as if all fields are enabled to avoid
2741 * reading unassigned memory.
2742 */
2743 WARN(1, "Missing input set index for flow_type %d\n",
2744 rule->flow_type);
2745 input_set = 0xFFFFFFFFFFFFFFFFULL;
2746 goto no_input_set;
2747 }
2748
2749 input_set = i40e_read_fd_input_set(pf, index);
2750
2751no_input_set:
2752 if (input_set & I40E_L3_SRC_MASK)
Jacob Keller40339af2017-12-27 08:26:33 -0500[diff] [blame]2753 fsp->m_u.tcp_ip4_spec.ip4src = htonl(0xFFFFFFFF);
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2754
2755 if (input_set & I40E_L3_DST_MASK)
Jacob Keller40339af2017-12-27 08:26:33 -0500[diff] [blame]2756 fsp->m_u.tcp_ip4_spec.ip4dst = htonl(0xFFFFFFFF);
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2757
2758 if (input_set & I40E_L4_SRC_MASK)
Jacob Keller40339af2017-12-27 08:26:33 -0500[diff] [blame]2759 fsp->m_u.tcp_ip4_spec.psrc = htons(0xFFFF);
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2760
2761 if (input_set & I40E_L4_DST_MASK)
Jacob Keller40339af2017-12-27 08:26:33 -0500[diff] [blame]2762 fsp->m_u.tcp_ip4_spec.pdst = htons(0xFFFF);
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]2763
Anjali Singhai Jain387ce1a2014-05-22 06:32:23 +0000[diff] [blame]2764 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2765 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2766 else
2767 fsp->ring_cookie = rule->q_index;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2768
Anjali Singhai Jaine7c8c602015-04-07 19:45:31 -0400[diff] [blame]2769 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2770 struct i40e_vsi *vsi;
2771
2772 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2773 if (vsi && vsi->type == I40E_VSI_SRIOV) {
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]2774 /* VFs are zero-indexed by the driver, but ethtool
2775 * expects them to be one-indexed, so add one here
2776 */
2777 u64 ring_vf = vsi->vf_id + 1;
2778
2779 ring_vf <<= ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF;
2780 fsp->ring_cookie |= ring_vf;
Anjali Singhai Jaine7c8c602015-04-07 19:45:31 -0400[diff] [blame]2781 }
2782 }
2783
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]2784 if (rule->flex_filter) {
2785 userdef.flex_filter = true;
2786 userdef.flex_word = be16_to_cpu(rule->flex_word);
2787 userdef.flex_offset = rule->flex_offset;
2788 }
2789
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]2790 i40e_fill_rx_flow_user_data(fsp, &userdef);
2791
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2792 return 0;
2793}
2794
2795/**
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2796 * i40e_get_rxnfc - command to get RX flow classification rules
2797 * @netdev: network interface device structure
2798 * @cmd: ethtool rxnfc command
2799 *
2800 * Returns Success if the command is supported.
2801 **/
2802static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2803 u32 *rule_locs)
2804{
2805 struct i40e_netdev_priv *np = netdev_priv(netdev);
2806 struct i40e_vsi *vsi = np->vsi;
2807 struct i40e_pf *pf = vsi->back;
2808 int ret = -EOPNOTSUPP;
2809
2810 switch (cmd->cmd) {
2811 case ETHTOOL_GRXRINGS:
Amritha Nambiara9ce82f2017-09-07 04:00:22 -0700[diff] [blame]2812 cmd->data = vsi->rss_size;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2813 ret = 0;
2814 break;
2815 case ETHTOOL_GRXFH:
2816 ret = i40e_get_rss_hash_opts(pf, cmd);
2817 break;
2818 case ETHTOOL_GRXCLSRLCNT:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2819 cmd->rule_cnt = pf->fdir_pf_active_filters;
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000[diff] [blame]2820 /* report total rule count */
2821 cmd->data = i40e_get_fd_cnt_all(pf);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2822 ret = 0;
2823 break;
2824 case ETHTOOL_GRXCLSRULE:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2825 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2826 break;
2827 case ETHTOOL_GRXCLSRLALL:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2828 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2829 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2830 default:
2831 break;
2832 }
2833
2834 return ret;
2835}
2836
2837/**
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2838 * i40e_get_rss_hash_bits - Read RSS Hash bits from register
2839 * @nfc: pointer to user request
2840 * @i_setc bits currently set
2841 *
2842 * Returns value of bits to be set per user request
2843 **/
2844static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
2845{
2846 u64 i_set = i_setc;
2847 u64 src_l3 = 0, dst_l3 = 0;
2848
2849 if (nfc->data & RXH_L4_B_0_1)
2850 i_set |= I40E_L4_SRC_MASK;
2851 else
2852 i_set &= ~I40E_L4_SRC_MASK;
2853 if (nfc->data & RXH_L4_B_2_3)
2854 i_set |= I40E_L4_DST_MASK;
2855 else
2856 i_set &= ~I40E_L4_DST_MASK;
2857
2858 if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
2859 src_l3 = I40E_L3_V6_SRC_MASK;
2860 dst_l3 = I40E_L3_V6_DST_MASK;
2861 } else if (nfc->flow_type == TCP_V4_FLOW ||
2862 nfc->flow_type == UDP_V4_FLOW) {
2863 src_l3 = I40E_L3_SRC_MASK;
2864 dst_l3 = I40E_L3_DST_MASK;
2865 } else {
2866 /* Any other flow type are not supported here */
2867 return i_set;
2868 }
2869
2870 if (nfc->data & RXH_IP_SRC)
2871 i_set |= src_l3;
2872 else
2873 i_set &= ~src_l3;
2874 if (nfc->data & RXH_IP_DST)
2875 i_set |= dst_l3;
2876 else
2877 i_set &= ~dst_l3;
2878
2879 return i_set;
2880}
2881
2882/**
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2883 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2884 * @pf: pointer to the physical function struct
2885 * @cmd: ethtool rxnfc command
2886 *
2887 * Returns Success if the flow input set is supported.
2888 **/
2889static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2890{
2891 struct i40e_hw *hw = &pf->hw;
Shannon Nelson272cdaf22016-02-17 16:12:21 -0800[diff] [blame]2892 u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
2893 ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2894 u8 flow_pctype = 0;
2895 u64 i_set, i_setc;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2896
Carolyn Wyborny83d14c52017-06-07 05:43:07 -0400[diff] [blame]2897 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
2898 dev_err(&pf->pdev->dev,
2899 "Change of RSS hash input set is not supported when MFP mode is enabled\n");
2900 return -EOPNOTSUPP;
2901 }
2902
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2903 /* RSS does not support anything other than hashing
2904 * to queues on src and dst IPs and ports
2905 */
2906 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2907 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2908 return -EINVAL;
2909
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2910 switch (nfc->flow_type) {
2911 case TCP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2912 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2913 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2914 hena |=
2915 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2916 break;
2917 case TCP_V6_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2918 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2919 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2920 hena |=
2921 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2922 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2923 hena |=
2924 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2925 break;
2926 case UDP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2927 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2928 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2929 hena |=
2930 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
2931 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
Anjali Singhai Jain3d0da5b2015-12-22 14:25:05 -0800[diff] [blame]2932
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2933 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2934 break;
2935 case UDP_V6_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2936 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2937 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2938 hena |=
2939 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
2940 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
Anjali Singhai Jain3d0da5b2015-12-22 14:25:05 -0800[diff] [blame]2941
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2942 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2943 break;
2944 case AH_ESP_V4_FLOW:
2945 case AH_V4_FLOW:
2946 case ESP_V4_FLOW:
2947 case SCTP_V4_FLOW:
2948 if ((nfc->data & RXH_L4_B_0_1) ||
2949 (nfc->data & RXH_L4_B_2_3))
2950 return -EINVAL;
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2951 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2952 break;
2953 case AH_ESP_V6_FLOW:
2954 case AH_V6_FLOW:
2955 case ESP_V6_FLOW:
2956 case SCTP_V6_FLOW:
2957 if ((nfc->data & RXH_L4_B_0_1) ||
2958 (nfc->data & RXH_L4_B_2_3))
2959 return -EINVAL;
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2960 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2961 break;
2962 case IPV4_FLOW:
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2963 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2964 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2965 break;
2966 case IPV6_FLOW:
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2967 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2968 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2969 break;
2970 default:
2971 return -EINVAL;
2972 }
2973
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2974 if (flow_pctype) {
2975 i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2976 flow_pctype)) |
2977 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2978 flow_pctype)) << 32);
2979 i_set = i40e_get_rss_hash_bits(nfc, i_setc);
2980 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
2981 (u32)i_set);
2982 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
2983 (u32)(i_set >> 32));
2984 hena |= BIT_ULL(flow_pctype);
2985 }
2986
Shannon Nelson272cdaf22016-02-17 16:12:21 -0800[diff] [blame]2987 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
2988 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2989 i40e_flush(hw);
2990
2991 return 0;
2992}
2993
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2994/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2995 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2996 * @vsi: Pointer to the targeted VSI
2997 * @input: The filter to update or NULL to indicate deletion
2998 * @sw_idx: Software index to the filter
2999 * @cmd: The command to get or set Rx flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3000 *
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3001 * This function updates (or deletes) a Flow Director entry from
3002 * the hlist of the corresponding PF
3003 *
3004 * Returns 0 on success
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3005 **/
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3006static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
3007 struct i40e_fdir_filter *input,
3008 u16 sw_idx,
3009 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3010{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3011 struct i40e_fdir_filter *rule, *parent;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3012 struct i40e_pf *pf = vsi->back;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3013 struct hlist_node *node2;
3014 int err = -EINVAL;
Jesse Brandeburgc35a1d72013-12-18 13:46:02 +0000[diff] [blame]3015
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3016 parent = NULL;
3017 rule = NULL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3018
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3019 hlist_for_each_entry_safe(rule, node2,
3020 &pf->fdir_filter_list, fdir_node) {
3021 /* hash found, or no matching entry */
3022 if (rule->fd_id >= sw_idx)
3023 break;
3024 parent = rule;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3025 }
3026
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3027 /* if there is an old rule occupying our place remove it */
3028 if (rule && (rule->fd_id == sw_idx)) {
Jacob Kellerc6da5252017-02-06 14:39:13 -0800[diff] [blame]3029 /* Remove this rule, since we're either deleting it, or
3030 * replacing it.
3031 */
3032 err = i40e_add_del_fdir(vsi, rule, false);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3033 hlist_del(&rule->fdir_node);
3034 kfree(rule);
3035 pf->fdir_pf_active_filters--;
3036 }
3037
Jacob Kellerc6da5252017-02-06 14:39:13 -0800[diff] [blame]3038 /* If we weren't given an input, this is a delete, so just return the
3039 * error code indicating if there was an entry at the requested slot
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3040 */
3041 if (!input)
3042 return err;
3043
Jacob Kellerc6da5252017-02-06 14:39:13 -0800[diff] [blame]3044 /* Otherwise, install the new rule as requested */
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3045 INIT_HLIST_NODE(&input->fdir_node);
3046
3047 /* add filter to the list */
3048 if (parent)
Ken Helias1d023282014-08-06 16:09:16 -0700[diff] [blame]3049 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3050 else
3051 hlist_add_head(&input->fdir_node,
3052 &pf->fdir_filter_list);
3053
3054 /* update counts */
3055 pf->fdir_pf_active_filters++;
3056
3057 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3058}
3059
3060/**
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3061 * i40e_prune_flex_pit_list - Cleanup unused entries in FLX_PIT table
3062 * @pf: pointer to PF structure
3063 *
3064 * This function searches the list of filters and determines which FLX_PIT
3065 * entries are still required. It will prune any entries which are no longer
3066 * in use after the deletion.
3067 **/
3068static void i40e_prune_flex_pit_list(struct i40e_pf *pf)
3069{
3070 struct i40e_flex_pit *entry, *tmp;
3071 struct i40e_fdir_filter *rule;
3072
3073 /* First, we'll check the l3 table */
3074 list_for_each_entry_safe(entry, tmp, &pf->l3_flex_pit_list, list) {
3075 bool found = false;
3076
3077 hlist_for_each_entry(rule, &pf->fdir_filter_list, fdir_node) {
3078 if (rule->flow_type != IP_USER_FLOW)
3079 continue;
3080 if (rule->flex_filter &&
3081 rule->flex_offset == entry->src_offset) {
3082 found = true;
3083 break;
3084 }
3085 }
3086
3087 /* If we didn't find the filter, then we can prune this entry
3088 * from the list.
3089 */
3090 if (!found) {
3091 list_del(&entry->list);
3092 kfree(entry);
3093 }
3094 }
3095
3096 /* Followed by the L4 table */
3097 list_for_each_entry_safe(entry, tmp, &pf->l4_flex_pit_list, list) {
3098 bool found = false;
3099
3100 hlist_for_each_entry(rule, &pf->fdir_filter_list, fdir_node) {
3101 /* Skip this filter if it's L3, since we already
3102 * checked those in the above loop
3103 */
3104 if (rule->flow_type == IP_USER_FLOW)
3105 continue;
3106 if (rule->flex_filter &&
3107 rule->flex_offset == entry->src_offset) {
3108 found = true;
3109 break;
3110 }
3111 }
3112
3113 /* If we didn't find the filter, then we can prune this entry
3114 * from the list.
3115 */
3116 if (!found) {
3117 list_del(&entry->list);
3118 kfree(entry);
3119 }
3120 }
3121}
3122
3123/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3124 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
3125 * @vsi: Pointer to the targeted VSI
3126 * @cmd: The command to get or set Rx flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3127 *
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3128 * The function removes a Flow Director filter entry from the
3129 * hlist of the corresponding PF
3130 *
3131 * Returns 0 on success
3132 */
3133static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
3134 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3135{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3136 struct ethtool_rx_flow_spec *fsp =
3137 (struct ethtool_rx_flow_spec *)&cmd->fs;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3138 struct i40e_pf *pf = vsi->back;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3139 int ret = 0;
Jesse Brandeburgc35a1d72013-12-18 13:46:02 +0000[diff] [blame]3140
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]3141 if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
3142 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]3143 return -EBUSY;
3144
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]3145 if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state))
Anjali Singhai Jain1e1be8f2014-07-10 08:03:26 +0000[diff] [blame]3146 return -EBUSY;
3147
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3148 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3149
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3150 i40e_prune_flex_pit_list(pf);
3151
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3152 i40e_fdir_check_and_reenable(pf);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3153 return ret;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3154}
3155
3156/**
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3157 * i40e_unused_pit_index - Find an unused PIT index for given list
3158 * @pf: the PF data structure
3159 *
3160 * Find the first unused flexible PIT index entry. We search both the L3 and
3161 * L4 flexible PIT lists so that the returned index is unique and unused by
3162 * either currently programmed L3 or L4 filters. We use a bit field as storage
3163 * to track which indexes are already used.
3164 **/
3165static u8 i40e_unused_pit_index(struct i40e_pf *pf)
3166{
3167 unsigned long available_index = 0xFF;
3168 struct i40e_flex_pit *entry;
3169
3170 /* We need to make sure that the new index isn't in use by either L3
3171 * or L4 filters so that IP_USER_FLOW filters can program both L3 and
3172 * L4 to use the same index.
3173 */
3174
3175 list_for_each_entry(entry, &pf->l4_flex_pit_list, list)
3176 clear_bit(entry->pit_index, &available_index);
3177
3178 list_for_each_entry(entry, &pf->l3_flex_pit_list, list)
3179 clear_bit(entry->pit_index, &available_index);
3180
3181 return find_first_bit(&available_index, 8);
3182}
3183
3184/**
3185 * i40e_find_flex_offset - Find an existing flex src_offset
3186 * @flex_pit_list: L3 or L4 flex PIT list
3187 * @src_offset: new src_offset to find
3188 *
3189 * Searches the flex_pit_list for an existing offset. If no offset is
3190 * currently programmed, then this will return an ERR_PTR if there is no space
3191 * to add a new offset, otherwise it returns NULL.
3192 **/
3193static
3194struct i40e_flex_pit *i40e_find_flex_offset(struct list_head *flex_pit_list,
3195 u16 src_offset)
3196{
3197 struct i40e_flex_pit *entry;
3198 int size = 0;
3199
3200 /* Search for the src_offset first. If we find a matching entry
3201 * already programmed, we can simply re-use it.
3202 */
3203 list_for_each_entry(entry, flex_pit_list, list) {
3204 size++;
3205 if (entry->src_offset == src_offset)
3206 return entry;
3207 }
3208
3209 /* If we haven't found an entry yet, then the provided src offset has
3210 * not yet been programmed. We will program the src offset later on,
3211 * but we need to indicate whether there is enough space to do so
3212 * here. We'll make use of ERR_PTR for this purpose.
3213 */
3214 if (size >= I40E_FLEX_PIT_TABLE_SIZE)
3215 return ERR_PTR(-ENOSPC);
3216
3217 return NULL;
3218}
3219
3220/**
3221 * i40e_add_flex_offset - Add src_offset to flex PIT table list
3222 * @flex_pit_list: L3 or L4 flex PIT list
3223 * @src_offset: new src_offset to add
3224 * @pit_index: the PIT index to program
3225 *
3226 * This function programs the new src_offset to the list. It is expected that
3227 * i40e_find_flex_offset has already been tried and returned NULL, indicating
3228 * that this offset is not programmed, and that the list has enough space to
3229 * store another offset.
3230 *
3231 * Returns 0 on success, and negative value on error.
3232 **/
3233static int i40e_add_flex_offset(struct list_head *flex_pit_list,
3234 u16 src_offset,
3235 u8 pit_index)
3236{
3237 struct i40e_flex_pit *new_pit, *entry;
3238
3239 new_pit = kzalloc(sizeof(*entry), GFP_KERNEL);
3240 if (!new_pit)
3241 return -ENOMEM;
3242
3243 new_pit->src_offset = src_offset;
3244 new_pit->pit_index = pit_index;
3245
3246 /* We need to insert this item such that the list is sorted by
3247 * src_offset in ascending order.
3248 */
3249 list_for_each_entry(entry, flex_pit_list, list) {
3250 if (new_pit->src_offset < entry->src_offset) {
3251 list_add_tail(&new_pit->list, &entry->list);
3252 return 0;
3253 }
3254
3255 /* If we found an entry with our offset already programmed we
3256 * can simply return here, after freeing the memory. However,
3257 * if the pit_index does not match we need to report an error.
3258 */
3259 if (new_pit->src_offset == entry->src_offset) {
3260 int err = 0;
3261
3262 /* If the PIT index is not the same we can't re-use
3263 * the entry, so we must report an error.
3264 */
3265 if (new_pit->pit_index != entry->pit_index)
3266 err = -EINVAL;
3267
3268 kfree(new_pit);
3269 return err;
3270 }
3271 }
3272
3273 /* If we reached here, then we haven't yet added the item. This means
3274 * that we should add the item at the end of the list.
3275 */
3276 list_add_tail(&new_pit->list, flex_pit_list);
3277 return 0;
3278}
3279
3280/**
3281 * __i40e_reprogram_flex_pit - Re-program specific FLX_PIT table
3282 * @pf: Pointer to the PF structure
3283 * @flex_pit_list: list of flexible src offsets in use
3284 * #flex_pit_start: index to first entry for this section of the table
3285 *
3286 * In order to handle flexible data, the hardware uses a table of values
3287 * called the FLX_PIT table. This table is used to indicate which sections of
3288 * the input correspond to what PIT index values. Unfortunately, hardware is
3289 * very restrictive about programming this table. Entries must be ordered by
3290 * src_offset in ascending order, without duplicates. Additionally, unused
3291 * entries must be set to the unused index value, and must have valid size and
3292 * length according to the src_offset ordering.
3293 *
3294 * This function will reprogram the FLX_PIT register from a book-keeping
3295 * structure that we guarantee is already ordered correctly, and has no more
3296 * than 3 entries.
3297 *
3298 * To make things easier, we only support flexible values of one word length,
3299 * rather than allowing variable length flexible values.
3300 **/
3301static void __i40e_reprogram_flex_pit(struct i40e_pf *pf,
3302 struct list_head *flex_pit_list,
3303 int flex_pit_start)
3304{
3305 struct i40e_flex_pit *entry = NULL;
3306 u16 last_offset = 0;
3307 int i = 0, j = 0;
3308
3309 /* First, loop over the list of flex PIT entries, and reprogram the
3310 * registers.
3311 */
3312 list_for_each_entry(entry, flex_pit_list, list) {
3313 /* We have to be careful when programming values for the
3314 * largest SRC_OFFSET value. It is possible that adding
3315 * additional empty values at the end would overflow the space
3316 * for the SRC_OFFSET in the FLX_PIT register. To avoid this,
3317 * we check here and add the empty values prior to adding the
3318 * largest value.
3319 *
3320 * To determine this, we will use a loop from i+1 to 3, which
3321 * will determine whether the unused entries would have valid
3322 * SRC_OFFSET. Note that there cannot be extra entries past
3323 * this value, because the only valid values would have been
3324 * larger than I40E_MAX_FLEX_SRC_OFFSET, and thus would not
3325 * have been added to the list in the first place.
3326 */
3327 for (j = i + 1; j < 3; j++) {
3328 u16 offset = entry->src_offset + j;
3329 int index = flex_pit_start + i;
3330 u32 value = I40E_FLEX_PREP_VAL(I40E_FLEX_DEST_UNUSED,
3331 1,
3332 offset - 3);
3333
3334 if (offset > I40E_MAX_FLEX_SRC_OFFSET) {
3335 i40e_write_rx_ctl(&pf->hw,
3336 I40E_PRTQF_FLX_PIT(index),
3337 value);
3338 i++;
3339 }
3340 }
3341
3342 /* Now, we can program the actual value into the table */
3343 i40e_write_rx_ctl(&pf->hw,
3344 I40E_PRTQF_FLX_PIT(flex_pit_start + i),
3345 I40E_FLEX_PREP_VAL(entry->pit_index + 50,
3346 1,
3347 entry->src_offset));
3348 i++;
3349 }
3350
3351 /* In order to program the last entries in the table, we need to
3352 * determine the valid offset. If the list is empty, we'll just start
3353 * with 0. Otherwise, we'll start with the last item offset and add 1.
3354 * This ensures that all entries have valid sizes. If we don't do this
3355 * correctly, the hardware will disable flexible field parsing.
3356 */
3357 if (!list_empty(flex_pit_list))
3358 last_offset = list_prev_entry(entry, list)->src_offset + 1;
3359
3360 for (; i < 3; i++, last_offset++) {
3361 i40e_write_rx_ctl(&pf->hw,
3362 I40E_PRTQF_FLX_PIT(flex_pit_start + i),
3363 I40E_FLEX_PREP_VAL(I40E_FLEX_DEST_UNUSED,
3364 1,
3365 last_offset));
3366 }
3367}
3368
3369/**
3370 * i40e_reprogram_flex_pit - Reprogram all FLX_PIT tables after input set change
3371 * @pf: pointer to the PF structure
3372 *
3373 * This function reprograms both the L3 and L4 FLX_PIT tables. See the
3374 * internal helper function for implementation details.
3375 **/
3376static void i40e_reprogram_flex_pit(struct i40e_pf *pf)
3377{
3378 __i40e_reprogram_flex_pit(pf, &pf->l3_flex_pit_list,
3379 I40E_FLEX_PIT_IDX_START_L3);
3380
3381 __i40e_reprogram_flex_pit(pf, &pf->l4_flex_pit_list,
3382 I40E_FLEX_PIT_IDX_START_L4);
3383
3384 /* We also need to program the L3 and L4 GLQF ORT register */
3385 i40e_write_rx_ctl(&pf->hw,
3386 I40E_GLQF_ORT(I40E_L3_GLQF_ORT_IDX),
3387 I40E_ORT_PREP_VAL(I40E_FLEX_PIT_IDX_START_L3,
3388 3, 1));
3389
3390 i40e_write_rx_ctl(&pf->hw,
3391 I40E_GLQF_ORT(I40E_L4_GLQF_ORT_IDX),
3392 I40E_ORT_PREP_VAL(I40E_FLEX_PIT_IDX_START_L4,
3393 3, 1));
3394}
3395
3396/**
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3397 * i40e_flow_str - Converts a flow_type into a human readable string
3398 * @flow_type: the flow type from a flow specification
3399 *
3400 * Currently only flow types we support are included here, and the string
3401 * value attempts to match what ethtool would use to configure this flow type.
3402 **/
3403static const char *i40e_flow_str(struct ethtool_rx_flow_spec *fsp)
3404{
3405 switch (fsp->flow_type & ~FLOW_EXT) {
3406 case TCP_V4_FLOW:
3407 return "tcp4";
3408 case UDP_V4_FLOW:
3409 return "udp4";
3410 case SCTP_V4_FLOW:
3411 return "sctp4";
3412 case IP_USER_FLOW:
3413 return "ip4";
3414 default:
3415 return "unknown";
3416 }
3417}
3418
3419/**
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3420 * i40e_pit_index_to_mask - Return the FLEX mask for a given PIT index
3421 * @pit_index: PIT index to convert
3422 *
3423 * Returns the mask for a given PIT index. Will return 0 if the pit_index is
3424 * of range.
3425 **/
3426static u64 i40e_pit_index_to_mask(int pit_index)
3427{
3428 switch (pit_index) {
3429 case 0:
3430 return I40E_FLEX_50_MASK;
3431 case 1:
3432 return I40E_FLEX_51_MASK;
3433 case 2:
3434 return I40E_FLEX_52_MASK;
3435 case 3:
3436 return I40E_FLEX_53_MASK;
3437 case 4:
3438 return I40E_FLEX_54_MASK;
3439 case 5:
3440 return I40E_FLEX_55_MASK;
3441 case 6:
3442 return I40E_FLEX_56_MASK;
3443 case 7:
3444 return I40E_FLEX_57_MASK;
3445 default:
3446 return 0;
3447 }
3448}
3449
3450/**
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3451 * i40e_print_input_set - Show changes between two input sets
3452 * @vsi: the vsi being configured
3453 * @old: the old input set
3454 * @new: the new input set
3455 *
3456 * Print the difference between old and new input sets by showing which series
3457 * of words are toggled on or off. Only displays the bits we actually support
3458 * changing.
3459 **/
3460static void i40e_print_input_set(struct i40e_vsi *vsi, u64 old, u64 new)
3461{
3462 struct i40e_pf *pf = vsi->back;
3463 bool old_value, new_value;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3464 int i;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3465
3466 old_value = !!(old & I40E_L3_SRC_MASK);
3467 new_value = !!(new & I40E_L3_SRC_MASK);
3468 if (old_value != new_value)
3469 netif_info(pf, drv, vsi->netdev, "L3 source address: %s -> %s\n",
3470 old_value ? "ON" : "OFF",
3471 new_value ? "ON" : "OFF");
3472
3473 old_value = !!(old & I40E_L3_DST_MASK);
3474 new_value = !!(new & I40E_L3_DST_MASK);
3475 if (old_value != new_value)
3476 netif_info(pf, drv, vsi->netdev, "L3 destination address: %s -> %s\n",
3477 old_value ? "ON" : "OFF",
3478 new_value ? "ON" : "OFF");
3479
3480 old_value = !!(old & I40E_L4_SRC_MASK);
3481 new_value = !!(new & I40E_L4_SRC_MASK);
3482 if (old_value != new_value)
3483 netif_info(pf, drv, vsi->netdev, "L4 source port: %s -> %s\n",
3484 old_value ? "ON" : "OFF",
3485 new_value ? "ON" : "OFF");
3486
3487 old_value = !!(old & I40E_L4_DST_MASK);
3488 new_value = !!(new & I40E_L4_DST_MASK);
3489 if (old_value != new_value)
3490 netif_info(pf, drv, vsi->netdev, "L4 destination port: %s -> %s\n",
3491 old_value ? "ON" : "OFF",
3492 new_value ? "ON" : "OFF");
3493
3494 old_value = !!(old & I40E_VERIFY_TAG_MASK);
3495 new_value = !!(new & I40E_VERIFY_TAG_MASK);
3496 if (old_value != new_value)
3497 netif_info(pf, drv, vsi->netdev, "SCTP verification tag: %s -> %s\n",
3498 old_value ? "ON" : "OFF",
3499 new_value ? "ON" : "OFF");
3500
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3501 /* Show change of flexible filter entries */
3502 for (i = 0; i < I40E_FLEX_INDEX_ENTRIES; i++) {
3503 u64 flex_mask = i40e_pit_index_to_mask(i);
3504
3505 old_value = !!(old & flex_mask);
3506 new_value = !!(new & flex_mask);
3507 if (old_value != new_value)
3508 netif_info(pf, drv, vsi->netdev, "FLEX index %d: %s -> %s\n",
3509 i,
3510 old_value ? "ON" : "OFF",
3511 new_value ? "ON" : "OFF");
3512 }
3513
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3514 netif_info(pf, drv, vsi->netdev, " Current input set: %0llx\n",
3515 old);
3516 netif_info(pf, drv, vsi->netdev, "Requested input set: %0llx\n",
3517 new);
3518}
3519
3520/**
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3521 * i40e_check_fdir_input_set - Check that a given rx_flow_spec mask is valid
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3522 * @vsi: pointer to the targeted VSI
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3523 * @fsp: pointer to Rx flow specification
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3524 * @userdef: userdefined data from flow specification
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3525 *
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3526 * Ensures that a given ethtool_rx_flow_spec has a valid mask. Some support
3527 * for partial matches exists with a few limitations. First, hardware only
3528 * supports masking by word boundary (2 bytes) and not per individual bit.
3529 * Second, hardware is limited to using one mask for a flow type and cannot
3530 * use a separate mask for each filter.
3531 *
3532 * To support these limitations, if we already have a configured filter for
3533 * the specified type, this function enforces that new filters of the type
3534 * match the configured input set. Otherwise, if we do not have a filter of
3535 * the specified type, we allow the input set to be updated to match the
3536 * desired filter.
3537 *
3538 * To help ensure that administrators understand why filters weren't displayed
3539 * as supported, we print a diagnostic message displaying how the input set
3540 * would change and warning to delete the preexisting filters if required.
3541 *
3542 * Returns 0 on successful input set match, and a negative return code on
3543 * failure.
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3544 **/
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3545static int i40e_check_fdir_input_set(struct i40e_vsi *vsi,
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3546 struct ethtool_rx_flow_spec *fsp,
3547 struct i40e_rx_flow_userdef *userdef)
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3548{
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3549 struct i40e_pf *pf = vsi->back;
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3550 struct ethtool_tcpip4_spec *tcp_ip4_spec;
3551 struct ethtool_usrip4_spec *usr_ip4_spec;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3552 u64 current_mask, new_mask;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3553 bool new_flex_offset = false;
3554 bool flex_l3 = false;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3555 u16 *fdir_filter_count;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3556 u16 index, src_offset = 0;
3557 u8 pit_index = 0;
3558 int err;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3559
3560 switch (fsp->flow_type & ~FLOW_EXT) {
Jacob Kellerf223c872017-02-06 14:38:51 -0800[diff] [blame]3561 case SCTP_V4_FLOW:
3562 index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP;
3563 fdir_filter_count = &pf->fd_sctp4_filter_cnt;
3564 break;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3565 case TCP_V4_FLOW:
3566 index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3567 fdir_filter_count = &pf->fd_tcp4_filter_cnt;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3568 break;
3569 case UDP_V4_FLOW:
3570 index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3571 fdir_filter_count = &pf->fd_udp4_filter_cnt;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3572 break;
3573 case IP_USER_FLOW:
3574 index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3575 fdir_filter_count = &pf->fd_ip4_filter_cnt;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3576 flex_l3 = true;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3577 break;
3578 default:
3579 return -EOPNOTSUPP;
3580 }
3581
3582 /* Read the current input set from register memory. */
3583 current_mask = i40e_read_fd_input_set(pf, index);
3584 new_mask = current_mask;
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3585
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3586 /* Determine, if any, the required changes to the input set in order
3587 * to support the provided mask.
3588 *
3589 * Hardware only supports masking at word (2 byte) granularity and does
3590 * not support full bitwise masking. This implementation simplifies
3591 * even further and only supports fully enabled or fully disabled
3592 * masks for each field, even though we could split the ip4src and
3593 * ip4dst fields.
3594 */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3595 switch (fsp->flow_type & ~FLOW_EXT) {
Jacob Kellerf223c872017-02-06 14:38:51 -0800[diff] [blame]3596 case SCTP_V4_FLOW:
3597 new_mask &= ~I40E_VERIFY_TAG_MASK;
3598 /* Fall through */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3599 case TCP_V4_FLOW:
3600 case UDP_V4_FLOW:
3601 tcp_ip4_spec = &fsp->m_u.tcp_ip4_spec;
3602
3603 /* IPv4 source address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3604 if (tcp_ip4_spec->ip4src == htonl(0xFFFFFFFF))
3605 new_mask |= I40E_L3_SRC_MASK;
3606 else if (!tcp_ip4_spec->ip4src)
3607 new_mask &= ~I40E_L3_SRC_MASK;
3608 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3609 return -EOPNOTSUPP;
3610
3611 /* IPv4 destination address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3612 if (tcp_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
3613 new_mask |= I40E_L3_DST_MASK;
3614 else if (!tcp_ip4_spec->ip4dst)
3615 new_mask &= ~I40E_L3_DST_MASK;
3616 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3617 return -EOPNOTSUPP;
3618
3619 /* L4 source port */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3620 if (tcp_ip4_spec->psrc == htons(0xFFFF))
3621 new_mask |= I40E_L4_SRC_MASK;
3622 else if (!tcp_ip4_spec->psrc)
3623 new_mask &= ~I40E_L4_SRC_MASK;
3624 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3625 return -EOPNOTSUPP;
3626
3627 /* L4 destination port */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3628 if (tcp_ip4_spec->pdst == htons(0xFFFF))
3629 new_mask |= I40E_L4_DST_MASK;
3630 else if (!tcp_ip4_spec->pdst)
3631 new_mask &= ~I40E_L4_DST_MASK;
3632 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3633 return -EOPNOTSUPP;
3634
3635 /* Filtering on Type of Service is not supported. */
3636 if (tcp_ip4_spec->tos)
3637 return -EOPNOTSUPP;
3638
3639 break;
3640 case IP_USER_FLOW:
3641 usr_ip4_spec = &fsp->m_u.usr_ip4_spec;
3642
3643 /* IPv4 source address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3644 if (usr_ip4_spec->ip4src == htonl(0xFFFFFFFF))
3645 new_mask |= I40E_L3_SRC_MASK;
3646 else if (!usr_ip4_spec->ip4src)
3647 new_mask &= ~I40E_L3_SRC_MASK;
3648 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3649 return -EOPNOTSUPP;
3650
3651 /* IPv4 destination address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3652 if (usr_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
3653 new_mask |= I40E_L3_DST_MASK;
3654 else if (!usr_ip4_spec->ip4dst)
3655 new_mask &= ~I40E_L3_DST_MASK;
3656 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3657 return -EOPNOTSUPP;
3658
3659 /* First 4 bytes of L4 header */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3660 if (usr_ip4_spec->l4_4_bytes == htonl(0xFFFFFFFF))
3661 new_mask |= I40E_L4_SRC_MASK | I40E_L4_DST_MASK;
3662 else if (!usr_ip4_spec->l4_4_bytes)
3663 new_mask &= ~(I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
3664 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3665 return -EOPNOTSUPP;
3666
3667 /* Filtering on Type of Service is not supported. */
3668 if (usr_ip4_spec->tos)
3669 return -EOPNOTSUPP;
3670
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3671 /* Filtering on IP version is not supported */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3672 if (usr_ip4_spec->ip_ver)
3673 return -EINVAL;
3674
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3675 /* Filtering on L4 protocol is not supported */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3676 if (usr_ip4_spec->proto)
3677 return -EINVAL;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3678
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3679 break;
3680 default:
3681 return -EOPNOTSUPP;
3682 }
3683
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3684 /* First, clear all flexible filter entries */
3685 new_mask &= ~I40E_FLEX_INPUT_MASK;
3686
3687 /* If we have a flexible filter, try to add this offset to the correct
3688 * flexible filter PIT list. Once finished, we can update the mask.
3689 * If the src_offset changed, we will get a new mask value which will
3690 * trigger an input set change.
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3691 */
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3692 if (userdef->flex_filter) {
3693 struct i40e_flex_pit *l3_flex_pit = NULL, *flex_pit = NULL;
3694
3695 /* Flexible offset must be even, since the flexible payload
3696 * must be aligned on 2-byte boundary.
3697 */
3698 if (userdef->flex_offset & 0x1) {
3699 dev_warn(&pf->pdev->dev,
3700 "Flexible data offset must be 2-byte aligned\n");
3701 return -EINVAL;
3702 }
3703
3704 src_offset = userdef->flex_offset >> 1;
3705
3706 /* FLX_PIT source offset value is only so large */
3707 if (src_offset > I40E_MAX_FLEX_SRC_OFFSET) {
3708 dev_warn(&pf->pdev->dev,
3709 "Flexible data must reside within first 64 bytes of the packet payload\n");
3710 return -EINVAL;
3711 }
3712
3713 /* See if this offset has already been programmed. If we get
3714 * an ERR_PTR, then the filter is not safe to add. Otherwise,
3715 * if we get a NULL pointer, this means we will need to add
3716 * the offset.
3717 */
3718 flex_pit = i40e_find_flex_offset(&pf->l4_flex_pit_list,
3719 src_offset);
3720 if (IS_ERR(flex_pit))
3721 return PTR_ERR(flex_pit);
3722
3723 /* IP_USER_FLOW filters match both L4 (ICMP) and L3 (unknown)
3724 * packet types, and thus we need to program both L3 and L4
3725 * flexible values. These must have identical flexible index,
3726 * as otherwise we can't correctly program the input set. So
3727 * we'll find both an L3 and L4 index and make sure they are
3728 * the same.
3729 */
3730 if (flex_l3) {
3731 l3_flex_pit =
3732 i40e_find_flex_offset(&pf->l3_flex_pit_list,
3733 src_offset);
3734 if (IS_ERR(l3_flex_pit))
3735 return PTR_ERR(l3_flex_pit);
3736
3737 if (flex_pit) {
3738 /* If we already had a matching L4 entry, we
3739 * need to make sure that the L3 entry we
3740 * obtained uses the same index.
3741 */
3742 if (l3_flex_pit) {
3743 if (l3_flex_pit->pit_index !=
3744 flex_pit->pit_index) {
3745 return -EINVAL;
3746 }
3747 } else {
3748 new_flex_offset = true;
3749 }
3750 } else {
3751 flex_pit = l3_flex_pit;
3752 }
3753 }
3754
3755 /* If we didn't find an existing flex offset, we need to
3756 * program a new one. However, we don't immediately program it
3757 * here because we will wait to program until after we check
3758 * that it is safe to change the input set.
3759 */
3760 if (!flex_pit) {
3761 new_flex_offset = true;
3762 pit_index = i40e_unused_pit_index(pf);
3763 } else {
3764 pit_index = flex_pit->pit_index;
3765 }
3766
3767 /* Update the mask with the new offset */
3768 new_mask |= i40e_pit_index_to_mask(pit_index);
3769 }
3770
3771 /* If the mask and flexible filter offsets for this filter match the
3772 * currently programmed values we don't need any input set change, so
3773 * this filter is safe to install.
3774 */
3775 if (new_mask == current_mask && !new_flex_offset)
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3776 return 0;
3777
3778 netif_info(pf, drv, vsi->netdev, "Input set change requested for %s flows:\n",
3779 i40e_flow_str(fsp));
3780 i40e_print_input_set(vsi, current_mask, new_mask);
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3781 if (new_flex_offset) {
3782 netif_info(pf, drv, vsi->netdev, "FLEX index %d: Offset -> %d",
3783 pit_index, src_offset);
3784 }
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3785
3786 /* Hardware input sets are global across multiple ports, so even the
3787 * main port cannot change them when in MFP mode as this would impact
3788 * any filters on the other ports.
3789 */
3790 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3791 netif_err(pf, drv, vsi->netdev, "Cannot change Flow Director input sets while MFP is enabled\n");
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3792 return -EOPNOTSUPP;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3793 }
3794
3795 /* This filter requires us to update the input set. However, hardware
3796 * only supports one input set per flow type, and does not support
3797 * separate masks for each filter. This means that we can only support
3798 * a single mask for all filters of a specific type.
3799 *
3800 * If we have preexisting filters, they obviously depend on the
3801 * current programmed input set. Display a diagnostic message in this
3802 * case explaining why the filter could not be accepted.
3803 */
3804 if (*fdir_filter_count) {
3805 netif_err(pf, drv, vsi->netdev, "Cannot change input set for %s flows until %d preexisting filters are removed\n",
3806 i40e_flow_str(fsp),
3807 *fdir_filter_count);
3808 return -EOPNOTSUPP;
3809 }
3810
3811 i40e_write_fd_input_set(pf, index, new_mask);
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3812
Jacob Keller02b40162017-12-27 08:24:12 -0500[diff] [blame]3813 /* IP_USER_FLOW filters match both IPv4/Other and IPv4/Fragmented
3814 * frames. If we're programming the input set for IPv4/Other, we also
3815 * need to program the IPv4/Fragmented input set. Since we don't have
3816 * separate support, we'll always assume and enforce that the two flow
3817 * types must have matching input sets.
3818 */
3819 if (index == I40E_FILTER_PCTYPE_NONF_IPV4_OTHER)
3820 i40e_write_fd_input_set(pf, I40E_FILTER_PCTYPE_FRAG_IPV4,
3821 new_mask);
3822
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3823 /* Add the new offset and update table, if necessary */
3824 if (new_flex_offset) {
3825 err = i40e_add_flex_offset(&pf->l4_flex_pit_list, src_offset,
3826 pit_index);
3827 if (err)
3828 return err;
3829
3830 if (flex_l3) {
3831 err = i40e_add_flex_offset(&pf->l3_flex_pit_list,
3832 src_offset,
3833 pit_index);
3834 if (err)
3835 return err;
3836 }
3837
3838 i40e_reprogram_flex_pit(pf);
3839 }
3840
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3841 return 0;
3842}
3843
3844/**
Jacob Keller443ee712017-12-27 08:25:32 -0500[diff] [blame]3845 * i40e_match_fdir_filter - Return true of two filters match
3846 * @a: pointer to filter struct
3847 * @b: pointer to filter struct
3848 *
3849 * Returns true if the two filters match exactly the same criteria. I.e. they
3850 * match the same flow type and have the same parameters. We don't need to
3851 * check any input-set since all filters of the same flow type must use the
3852 * same input set.
3853 **/
3854static bool i40e_match_fdir_filter(struct i40e_fdir_filter *a,
3855 struct i40e_fdir_filter *b)
3856{
3857 /* The filters do not much if any of these criteria differ. */
3858 if (a->dst_ip != b->dst_ip ||
3859 a->src_ip != b->src_ip ||
3860 a->dst_port != b->dst_port ||
3861 a->src_port != b->src_port ||
3862 a->flow_type != b->flow_type ||
3863 a->ip4_proto != b->ip4_proto)
3864 return false;
3865
3866 return true;
3867}
3868
3869/**
3870 * i40e_disallow_matching_filters - Check that new filters differ
3871 * @vsi: pointer to the targeted VSI
3872 * @input: new filter to check
3873 *
3874 * Due to hardware limitations, it is not possible for two filters that match
3875 * similar criteria to be programmed at the same time. This is true for a few
3876 * reasons:
3877 *
3878 * (a) all filters matching a particular flow type must use the same input
3879 * set, that is they must match the same criteria.
3880 * (b) different flow types will never match the same packet, as the flow type
3881 * is decided by hardware before checking which rules apply.
3882 * (c) hardware has no way to distinguish which order filters apply in.
3883 *
3884 * Due to this, we can't really support using the location data to order
3885 * filters in the hardware parsing. It is technically possible for the user to
3886 * request two filters matching the same criteria but which select different
3887 * queues. In this case, rather than keep both filters in the list, we reject
3888 * the 2nd filter when the user requests adding it.
3889 *
3890 * This avoids needing to track location for programming the filter to
3891 * hardware, and ensures that we avoid some strange scenarios involving
3892 * deleting filters which match the same criteria.
3893 **/
3894static int i40e_disallow_matching_filters(struct i40e_vsi *vsi,
3895 struct i40e_fdir_filter *input)
3896{
3897 struct i40e_pf *pf = vsi->back;
3898 struct i40e_fdir_filter *rule;
3899 struct hlist_node *node2;
3900
3901 /* Loop through every filter, and check that it doesn't match */
3902 hlist_for_each_entry_safe(rule, node2,
3903 &pf->fdir_filter_list, fdir_node) {
3904 /* Don't check the filters match if they share the same fd_id,
3905 * since the new filter is actually just updating the target
3906 * of the old filter.
3907 */
3908 if (rule->fd_id == input->fd_id)
3909 continue;
3910
3911 /* If any filters match, then print a warning message to the
3912 * kernel message buffer and bail out.
3913 */
3914 if (i40e_match_fdir_filter(rule, input)) {
3915 dev_warn(&pf->pdev->dev,
3916 "Existing user defined filter %d already matches this flow.\n",
3917 rule->fd_id);
3918 return -EINVAL;
3919 }
3920 }
3921
3922 return 0;
3923}
3924
3925/**
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3926 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3927 * @vsi: pointer to the targeted VSI
3928 * @cmd: command to get or set RX flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3929 *
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3930 * Add Flow Director filters for a specific flow spec based on their
3931 * protocol. Returns 0 if the filters were successfully added.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3932 **/
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3933static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
3934 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3935{
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]3936 struct i40e_rx_flow_userdef userdef;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3937 struct ethtool_rx_flow_spec *fsp;
3938 struct i40e_fdir_filter *input;
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3939 u16 dest_vsi = 0, q_index = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3940 struct i40e_pf *pf;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3941 int ret = -EINVAL;
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3942 u8 dest_ctl;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3943
3944 if (!vsi)
3945 return -EINVAL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3946 pf = vsi->back;
3947
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3948 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
3949 return -EOPNOTSUPP;
3950
Jacob Keller47994c12017-04-19 09:25:57 -0400[diff] [blame]3951 if (pf->flags & I40E_FLAG_FD_SB_AUTO_DISABLED)
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3952 return -ENOSPC;
3953
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]3954 if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
3955 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]3956 return -EBUSY;
3957
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]3958 if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state))
Anjali Singhai Jain1e1be8f2014-07-10 08:03:26 +0000[diff] [blame]3959 return -EBUSY;
3960
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3961 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
3962
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]3963 /* Parse the user-defined field */
3964 if (i40e_parse_rx_flow_user_data(fsp, &userdef))
3965 return -EINVAL;
3966
Jacob Keller1ec8dea2017-02-06 14:39:12 -0800[diff] [blame]3967 /* Extended MAC field is not supported */
3968 if (fsp->flow_type & FLOW_MAC_EXT)
3969 return -EINVAL;
3970
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3971 ret = i40e_check_fdir_input_set(vsi, fsp, &userdef);
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3972 if (ret)
3973 return ret;
3974
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3975 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
3976 pf->hw.func_caps.fd_filters_guaranteed)) {
3977 return -EINVAL;
3978 }
3979
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3980 /* ring_cookie is either the drop index, or is a mask of the queue
3981 * index and VF id we wish to target.
3982 */
3983 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
3984 dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
3985 } else {
3986 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
3987 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
3988
3989 if (!vf) {
3990 if (ring >= vsi->num_queue_pairs)
3991 return -EINVAL;
3992 dest_vsi = vsi->id;
3993 } else {
3994 /* VFs are zero-indexed, so we subtract one here */
3995 vf--;
3996
3997 if (vf >= pf->num_alloc_vfs)
3998 return -EINVAL;
3999 if (ring >= pf->vf[vf].num_queue_pairs)
4000 return -EINVAL;
4001 dest_vsi = pf->vf[vf].lan_vsi_id;
4002 }
4003 dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
4004 q_index = ring;
4005 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4006
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4007 input = kzalloc(sizeof(*input), GFP_KERNEL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4008
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4009 if (!input)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4010 return -ENOMEM;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4011
4012 input->fd_id = fsp->location;
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]4013 input->q_index = q_index;
4014 input->dest_vsi = dest_vsi;
4015 input->dest_ctl = dest_ctl;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4016 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
Anjali Singhai Jain0bf4b1b2015-04-16 20:06:02 -0400[diff] [blame]4017 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]4018 input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
4019 input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]4020 input->flow_type = fsp->flow_type & ~FLOW_EXT;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4021 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000[diff] [blame]4022
4023 /* Reverse the src and dest notion, since the HW expects them to be from
4024 * Tx perspective where as the input from user is from Rx filter view.
4025 */
4026 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
4027 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
Jacob Keller8ce43dc2017-02-06 14:38:39 -0800[diff] [blame]4028 input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
4029 input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4030
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]4031 if (userdef.flex_filter) {
4032 input->flex_filter = true;
4033 input->flex_word = cpu_to_be16(userdef.flex_word);
4034 input->flex_offset = userdef.flex_offset;
4035 }
4036
Jacob Keller443ee712017-12-27 08:25:32 -0500[diff] [blame]4037 /* Avoid programming two filters with identical match criteria. */
4038 ret = i40e_disallow_matching_filters(vsi, input);
4039 if (ret)
4040 goto free_filter_memory;
4041
Jacob Keller01016da2017-02-06 14:38:40 -0800[diff] [blame]4042 /* Add the input filter to the fdir_input_list, possibly replacing
4043 * a previous filter. Do not free the input structure after adding it
4044 * to the list as this would cause a use-after-free bug.
4045 */
4046 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
Patryk Małekca6e1d02017-12-27 07:32:31 -0500[diff] [blame]4047 ret = i40e_add_del_fdir(vsi, input, true);
4048 if (ret)
4049 goto remove_sw_rule;
Jacob Keller01016da2017-02-06 14:38:40 -0800[diff] [blame]4050 return 0;
4051
Patryk Małekca6e1d02017-12-27 07:32:31 -0500[diff] [blame]4052remove_sw_rule:
4053 hlist_del(&input->fdir_node);
4054 pf->fdir_pf_active_filters--;
Jacob Keller443ee712017-12-27 08:25:32 -0500[diff] [blame]4055free_filter_memory:
Jacob Keller01016da2017-02-06 14:38:40 -0800[diff] [blame]4056 kfree(input);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4057 return ret;
4058}
Jesse Brandeburg8fb905b2014-01-17 15:36:33 -0800[diff] [blame]4059
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4060/**
4061 * i40e_set_rxnfc - command to set RX flow classification rules
4062 * @netdev: network interface device structure
4063 * @cmd: ethtool rxnfc command
4064 *
4065 * Returns Success if the command is supported.
4066 **/
4067static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
4068{
4069 struct i40e_netdev_priv *np = netdev_priv(netdev);
4070 struct i40e_vsi *vsi = np->vsi;
4071 struct i40e_pf *pf = vsi->back;
4072 int ret = -EOPNOTSUPP;
4073
4074 switch (cmd->cmd) {
4075 case ETHTOOL_SRXFH:
4076 ret = i40e_set_rss_hash_opt(pf, cmd);
4077 break;
4078 case ETHTOOL_SRXCLSRLINS:
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]4079 ret = i40e_add_fdir_ethtool(vsi, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4080 break;
4081 case ETHTOOL_SRXCLSRLDEL:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]4082 ret = i40e_del_fdir_entry(vsi, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4083 break;
4084 default:
4085 break;
4086 }
4087
4088 return ret;
4089}
4090
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4091/**
4092 * i40e_max_channels - get Max number of combined channels supported
4093 * @vsi: vsi pointer
4094 **/
4095static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
4096{
4097 /* TODO: This code assumes DCB and FD is disabled for now. */
4098 return vsi->alloc_queue_pairs;
4099}
4100
4101/**
4102 * i40e_get_channels - Get the current channels enabled and max supported etc.
4103 * @netdev: network interface device structure
4104 * @ch: ethtool channels structure
4105 *
4106 * We don't support separate tx and rx queues as channels. The other count
4107 * represents how many queues are being used for control. max_combined counts
4108 * how many queue pairs we can support. They may not be mapped 1 to 1 with
4109 * q_vectors since we support a lot more queue pairs than q_vectors.
4110 **/
4111static void i40e_get_channels(struct net_device *dev,
4112 struct ethtool_channels *ch)
4113{
4114 struct i40e_netdev_priv *np = netdev_priv(dev);
4115 struct i40e_vsi *vsi = np->vsi;
4116 struct i40e_pf *pf = vsi->back;
4117
4118 /* report maximum channels */
4119 ch->max_combined = i40e_max_channels(vsi);
4120
4121 /* report info for other vector */
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800[diff] [blame]4122 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4123 ch->max_other = ch->other_count;
4124
4125 /* Note: This code assumes DCB is disabled for now. */
4126 ch->combined_count = vsi->num_queue_pairs;
4127}
4128
4129/**
4130 * i40e_set_channels - Set the new channels count.
4131 * @netdev: network interface device structure
4132 * @ch: ethtool channels structure
4133 *
4134 * The new channels count may not be the same as requested by the user
4135 * since it gets rounded down to a power of 2 value.
4136 **/
4137static int i40e_set_channels(struct net_device *dev,
4138 struct ethtool_channels *ch)
4139{
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]4140 const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4141 struct i40e_netdev_priv *np = netdev_priv(dev);
4142 unsigned int count = ch->combined_count;
4143 struct i40e_vsi *vsi = np->vsi;
4144 struct i40e_pf *pf = vsi->back;
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]4145 struct i40e_fdir_filter *rule;
4146 struct hlist_node *node2;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4147 int new_count;
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]4148 int err = 0;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4149
4150 /* We do not support setting channels for any other VSI at present */
4151 if (vsi->type != I40E_VSI_MAIN)
4152 return -EINVAL;
4153
Amritha Nambiara9ce82f2017-09-07 04:00:22 -0700[diff] [blame]4154 /* We do not support setting channels via ethtool when TCs are
4155 * configured through mqprio
4156 */
4157 if (pf->flags & I40E_FLAG_TC_MQPRIO)
4158 return -EINVAL;
4159
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4160 /* verify they are not requesting separate vectors */
4161 if (!count || ch->rx_count || ch->tx_count)
4162 return -EINVAL;
4163
4164 /* verify other_count has not changed */
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800[diff] [blame]4165 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4166 return -EINVAL;
4167
4168 /* verify the number of channels does not exceed hardware limits */
4169 if (count > i40e_max_channels(vsi))
4170 return -EINVAL;
4171
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]4172 /* verify that the number of channels does not invalidate any current
4173 * flow director rules
4174 */
4175 hlist_for_each_entry_safe(rule, node2,
4176 &pf->fdir_filter_list, fdir_node) {
4177 if (rule->dest_ctl != drop && count <= rule->q_index) {
4178 dev_warn(&pf->pdev->dev,
4179 "Existing user defined filter %d assigns flow to queue %d\n",
4180 rule->fd_id, rule->q_index);
4181 err = -EINVAL;
4182 }
4183 }
4184
4185 if (err) {
4186 dev_err(&pf->pdev->dev,
4187 "Existing filter rules must be deleted to reduce combined channel count to %d\n",
4188 count);
4189 return err;
4190 }
4191
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4192 /* update feature limits from largest to smallest supported values */
4193 /* TODO: Flow director limit, DCB etc */
4194
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4195 /* use rss_reconfig to rebuild with new queue count and update traffic
4196 * class queue mapping
4197 */
4198 new_count = i40e_reconfig_rss_queues(pf, count);
Anjali Singhai Jain5f90f422013-12-21 05:44:43 +0000[diff] [blame]4199 if (new_count > 0)
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4200 return 0;
4201 else
4202 return -EINVAL;
4203}
4204
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4205/**
4206 * i40e_get_rxfh_key_size - get the RSS hash key size
4207 * @netdev: network interface device structure
4208 *
4209 * Returns the table size.
4210 **/
4211static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
4212{
4213 return I40E_HKEY_ARRAY_SIZE;
4214}
4215
4216/**
4217 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
4218 * @netdev: network interface device structure
4219 *
4220 * Returns the table size.
4221 **/
4222static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
4223{
4224 return I40E_HLUT_ARRAY_SIZE;
4225}
4226
Alan Brady21675bd2017-10-05 14:53:33 -0700[diff] [blame]4227/**
4228 * i40e_get_rxfh - get the rx flow hash indirection table
4229 * @netdev: network interface device structure
4230 * @indir: indirection table
4231 * @key: hash key
4232 * @hfunc: hash function
4233 *
4234 * Reads the indirection table directly from the hardware. Returns 0 on
4235 * success.
4236 **/
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4237static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
4238 u8 *hfunc)
4239{
4240 struct i40e_netdev_priv *np = netdev_priv(netdev);
4241 struct i40e_vsi *vsi = np->vsi;
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]4242 u8 *lut, *seed = NULL;
4243 int ret;
4244 u16 i;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4245
4246 if (hfunc)
4247 *hfunc = ETH_RSS_HASH_TOP;
4248
4249 if (!indir)
4250 return 0;
4251
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]4252 seed = key;
4253 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
4254 if (!lut)
4255 return -ENOMEM;
4256 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
4257 if (ret)
4258 goto out;
4259 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
4260 indir[i] = (u32)(lut[i]);
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4261
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]4262out:
4263 kfree(lut);
4264
4265 return ret;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4266}
4267
4268/**
4269 * i40e_set_rxfh - set the rx flow hash indirection table
4270 * @netdev: network interface device structure
4271 * @indir: indirection table
4272 * @key: hash key
4273 *
Mitch Williamscd494fb2015-07-10 19:36:04 -0400[diff] [blame]4274 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4275 * returns 0 after programming the table.
4276 **/
4277static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
4278 const u8 *key, const u8 hfunc)
4279{
4280 struct i40e_netdev_priv *np = netdev_priv(netdev);
4281 struct i40e_vsi *vsi = np->vsi;
Alan Bradyf1582352016-08-24 11:33:46 -0700[diff] [blame]4282 struct i40e_pf *pf = vsi->back;
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4283 u8 *seed = NULL;
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]4284 u16 i;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4285
4286 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
4287 return -EOPNOTSUPP;
4288
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4289 if (key) {
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4290 if (!vsi->rss_hkey_user) {
4291 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
4292 GFP_KERNEL);
4293 if (!vsi->rss_hkey_user)
4294 return -ENOMEM;
4295 }
4296 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
4297 seed = vsi->rss_hkey_user;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4298 }
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4299 if (!vsi->rss_lut_user) {
4300 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
4301 if (!vsi->rss_lut_user)
4302 return -ENOMEM;
4303 }
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]4304
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4305 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
Alan Bradyf1582352016-08-24 11:33:46 -0700[diff] [blame]4306 if (indir)
4307 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
4308 vsi->rss_lut_user[i] = (u8)(indir[i]);
4309 else
4310 i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
4311 vsi->rss_size);
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4312
4313 return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
4314 I40E_HLUT_ARRAY_SIZE);
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4315}
4316
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4317/**
4318 * i40e_get_priv_flags - report device private flags
4319 * @dev: network interface device structure
4320 *
4321 * The get string set count and the string set should be matched for each
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4322 * flag returned. Add new strings for each flag to the i40e_gstrings_priv_flags
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4323 * array.
4324 *
4325 * Returns a u32 bitmap of flags.
4326 **/
Jesse Brandeburg5bbc3302015-02-26 16:15:20 +0000[diff] [blame]4327static u32 i40e_get_priv_flags(struct net_device *dev)
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4328{
4329 struct i40e_netdev_priv *np = netdev_priv(dev);
4330 struct i40e_vsi *vsi = np->vsi;
4331 struct i40e_pf *pf = vsi->back;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4332 u32 i, j, ret_flags = 0;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4333
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4334 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
4335 const struct i40e_priv_flags *priv_flags;
4336
4337 priv_flags = &i40e_gstrings_priv_flags[i];
4338
4339 if (priv_flags->flag & pf->flags)
4340 ret_flags |= BIT(i);
4341 }
4342
4343 if (pf->hw.pf_id != 0)
4344 return ret_flags;
4345
4346 for (j = 0; j < I40E_GL_PRIV_FLAGS_STR_LEN; j++) {
4347 const struct i40e_priv_flags *priv_flags;
4348
4349 priv_flags = &i40e_gl_gstrings_priv_flags[j];
4350
4351 if (priv_flags->flag & pf->flags)
4352 ret_flags |= BIT(i + j);
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]4353 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4354
4355 return ret_flags;
4356}
4357
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4358/**
4359 * i40e_set_priv_flags - set private flags
4360 * @dev: network interface device structure
4361 * @flags: bit flags to be set
4362 **/
4363static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
4364{
4365 struct i40e_netdev_priv *np = netdev_priv(dev);
4366 struct i40e_vsi *vsi = np->vsi;
4367 struct i40e_pf *pf = vsi->back;
Alice Michael60f481b2017-12-27 08:17:50 -0500[diff] [blame]4368 u64 orig_flags, new_flags, changed_flags;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4369 u32 i, j;
Jesse Brandeburg827de392015-11-06 15:26:07 -0800[diff] [blame]4370
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4371 orig_flags = READ_ONCE(pf->flags);
4372 new_flags = orig_flags;
Jesse Brandeburg827de392015-11-06 15:26:07 -0800[diff] [blame]4373
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4374 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
4375 const struct i40e_priv_flags *priv_flags;
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4376
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4377 priv_flags = &i40e_gstrings_priv_flags[i];
4378
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4379 if (flags & BIT(i))
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4380 new_flags |= priv_flags->flag;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4381 else
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4382 new_flags &= ~(priv_flags->flag);
4383
4384 /* If this is a read-only flag, it can't be changed */
4385 if (priv_flags->read_only &&
4386 ((orig_flags ^ new_flags) & ~BIT(i)))
4387 return -EOPNOTSUPP;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4388 }
4389
4390 if (pf->hw.pf_id != 0)
4391 goto flags_complete;
4392
4393 for (j = 0; j < I40E_GL_PRIV_FLAGS_STR_LEN; j++) {
4394 const struct i40e_priv_flags *priv_flags;
4395
4396 priv_flags = &i40e_gl_gstrings_priv_flags[j];
4397
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4398 if (flags & BIT(i + j))
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4399 new_flags |= priv_flags->flag;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4400 else
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4401 new_flags &= ~(priv_flags->flag);
4402
4403 /* If this is a read-only flag, it can't be changed */
4404 if (priv_flags->read_only &&
4405 ((orig_flags ^ new_flags) & ~BIT(i)))
4406 return -EOPNOTSUPP;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4407 }
4408
4409flags_complete:
Alan Bradyfe09ed02017-12-29 08:50:34 -0500[diff] [blame]4410 changed_flags = orig_flags ^ new_flags;
4411
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4412 /* Before we finalize any flag changes, we need to perform some
4413 * checks to ensure that the changes are supported and safe.
4414 */
4415
4416 /* ATR eviction is not supported on all devices */
4417 if ((new_flags & I40E_FLAG_HW_ATR_EVICT_ENABLED) &&
4418 !(pf->hw_features & I40E_HW_ATR_EVICT_CAPABLE))
4419 return -EOPNOTSUPP;
4420
Alan Bradyfe09ed02017-12-29 08:50:34 -0500[diff] [blame]4421 /* If the driver detected FW LLDP was disabled on init, this flag could
4422 * be set, however we do not support _changing_ the flag if NPAR is
4423 * enabled or FW API version < 1.7. There are situations where older
4424 * FW versions/NPAR enabled PFs could disable LLDP, however we _must_
4425 * not allow the user to enable/disable LLDP with this flag on
4426 * unsupported FW versions.
Dave Ertmanc61c8fe2017-12-27 08:18:21 -0500[diff] [blame]4427 */
Alan Bradyfe09ed02017-12-29 08:50:34 -0500[diff] [blame]4428 if (changed_flags & I40E_FLAG_DISABLE_FW_LLDP) {
Dave Ertman7b634352018-01-22 12:00:37 -0500[diff] [blame^]4429 if (!(pf->hw_features & I40E_HW_STOPPABLE_FW_LLDP)) {
Dave Ertmanc61c8fe2017-12-27 08:18:21 -0500[diff] [blame]4430 dev_warn(&pf->pdev->dev,
Dave Ertman7b634352018-01-22 12:00:37 -0500[diff] [blame^]4431 "Device does not support changing FW LLDP\n");
Dave Ertmanc61c8fe2017-12-27 08:18:21 -0500[diff] [blame]4432 return -EOPNOTSUPP;
4433 }
4434 }
4435
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4436 /* Compare and exchange the new flags into place. If we failed, that
Jacob Kellerb74f5712017-09-01 13:54:07 -0700[diff] [blame]4437 * is if cmpxchg returns anything but the old value, this means that
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4438 * something else has modified the flags variable since we copied it
4439 * originally. We'll just punt with an error and log something in the
4440 * message buffer.
Alan Bradyfe09ed02017-12-29 08:50:34 -0500[diff] [blame]4441 *
4442 * This is the point of no return for this function. We need to have
4443 * checked any discrepancies or misconfigurations and returned
4444 * EOPNOTSUPP before updating pf->flags here.
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4445 */
Alice Michael60f481b2017-12-27 08:17:50 -0500[diff] [blame]4446 if (cmpxchg64(&pf->flags, orig_flags, new_flags) != orig_flags) {
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame]4447 dev_warn(&pf->pdev->dev,
4448 "Unable to update pf->flags as it was modified by another thread...\n");
4449 return -EAGAIN;
4450 }
4451
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4452 /* Process any additional changes needed as a result of flag changes.
4453 * The changed_flags value reflects the list of bits that were
4454 * changed in the code above.
Jesse Brandeburgef171782015-09-03 17:18:49 -0400[diff] [blame]4455 */
Jacob Keller234dc4e2016-09-06 18:05:09 -0700[diff] [blame]4456
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4457 /* Flush current ATR settings if ATR was disabled */
4458 if ((changed_flags & I40E_FLAG_FD_ATR_ENABLED) &&
4459 !(pf->flags & I40E_FLAG_FD_ATR_ENABLED)) {
Jacob Keller47994c12017-04-19 09:25:57 -0400[diff] [blame]4460 pf->flags |= I40E_FLAG_FD_ATR_AUTO_DISABLED;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]4461 set_bit(__I40E_FD_FLUSH_REQUESTED, pf->state);
Jesse Brandeburgef171782015-09-03 17:18:49 -0400[diff] [blame]4462 }
4463
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4464 if (changed_flags & I40E_FLAG_TRUE_PROMISC_SUPPORT) {
4465 u16 sw_flags = 0, valid_flags = 0;
4466 int ret;
4467
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]4468 if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
4469 sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
4470 valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
4471 ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
Amritha Nambiar5efe0c62017-10-27 02:35:45 -0700[diff] [blame]4472 0, NULL);
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]4473 if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
4474 dev_info(&pf->pdev->dev,
4475 "couldn't set switch config bits, err %s aq_err %s\n",
4476 i40e_stat_str(&pf->hw, ret),
4477 i40e_aq_str(&pf->hw,
4478 pf->hw.aq.asq_last_status));
4479 /* not a fatal problem, just keep going */
4480 }
4481 }
4482
Paweł Jabłoński17b4d252017-12-29 08:50:20 -0500[diff] [blame]4483 if ((changed_flags & pf->flags &
4484 I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED) &&
4485 (pf->flags & I40E_FLAG_MFP_ENABLED))
4486 dev_warn(&pf->pdev->dev,
4487 "Turning on link-down-on-close flag may affect other partitions\n");
4488
Dave Ertmanc61c8fe2017-12-27 08:18:21 -0500[diff] [blame]4489 if (changed_flags & I40E_FLAG_DISABLE_FW_LLDP) {
4490 if (pf->flags & I40E_FLAG_DISABLE_FW_LLDP) {
4491 struct i40e_dcbx_config *dcbcfg;
4492 int i;
4493
4494 i40e_aq_stop_lldp(&pf->hw, true, NULL);
4495 i40e_aq_set_dcb_parameters(&pf->hw, true, NULL);
4496 /* reset local_dcbx_config to default */
4497 dcbcfg = &pf->hw.local_dcbx_config;
4498 dcbcfg->etscfg.willing = 1;
4499 dcbcfg->etscfg.maxtcs = 0;
4500 dcbcfg->etscfg.tcbwtable[0] = 100;
4501 for (i = 1; i < I40E_MAX_TRAFFIC_CLASS; i++)
4502 dcbcfg->etscfg.tcbwtable[i] = 0;
4503 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++)
4504 dcbcfg->etscfg.prioritytable[i] = 0;
4505 dcbcfg->etscfg.tsatable[0] = I40E_IEEE_TSA_ETS;
4506 dcbcfg->pfc.willing = 1;
4507 dcbcfg->pfc.pfccap = I40E_MAX_TRAFFIC_CLASS;
4508 } else {
4509 i40e_aq_start_lldp(&pf->hw, NULL);
4510 }
4511 }
4512
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4513 /* Issue reset to cause things to take effect, as additional bits
4514 * are added we will need to create a mask of bits requiring reset
4515 */
Mitch Williams64615b52017-08-29 05:32:30 -0400[diff] [blame]4516 if (changed_flags & (I40E_FLAG_VEB_STATS_ENABLED |
4517 I40E_FLAG_LEGACY_RX |
Dave Ertmanc61c8fe2017-12-27 08:18:21 -0500[diff] [blame]4518 I40E_FLAG_SOURCE_PRUNING_DISABLED |
4519 I40E_FLAG_DISABLE_FW_LLDP))
Maciej Sosin373149f2017-04-05 07:50:55 -0400[diff] [blame]4520 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
Jesse Brandeburg827de392015-11-06 15:26:07 -0800[diff] [blame]4521
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4522 return 0;
4523}
4524
Filip Sadowski9c0e5ca2017-08-22 06:57:44 -0400[diff] [blame]4525/**
4526 * i40e_get_module_info - get (Q)SFP+ module type info
4527 * @netdev: network interface device structure
4528 * @modinfo: module EEPROM size and layout information structure
4529 **/
4530static int i40e_get_module_info(struct net_device *netdev,
4531 struct ethtool_modinfo *modinfo)
4532{
4533 struct i40e_netdev_priv *np = netdev_priv(netdev);
4534 struct i40e_vsi *vsi = np->vsi;
4535 struct i40e_pf *pf = vsi->back;
4536 struct i40e_hw *hw = &pf->hw;
4537 u32 sff8472_comp = 0;
4538 u32 sff8472_swap = 0;
4539 u32 sff8636_rev = 0;
4540 i40e_status status;
4541 u32 type = 0;
4542
4543 /* Check if firmware supports reading module EEPROM. */
4544 if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE)) {
4545 netdev_err(vsi->netdev, "Module EEPROM memory read not supported. Please update the NVM image.\n");
4546 return -EINVAL;
4547 }
4548
4549 status = i40e_update_link_info(hw);
4550 if (status)
4551 return -EIO;
4552
4553 if (hw->phy.link_info.phy_type == I40E_PHY_TYPE_EMPTY) {
4554 netdev_err(vsi->netdev, "Cannot read module EEPROM memory. No module connected.\n");
4555 return -EINVAL;
4556 }
4557
4558 type = hw->phy.link_info.module_type[0];
4559
4560 switch (type) {
4561 case I40E_MODULE_TYPE_SFP:
4562 status = i40e_aq_get_phy_register(hw,
4563 I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
4564 I40E_I2C_EEPROM_DEV_ADDR,
4565 I40E_MODULE_SFF_8472_COMP,
4566 &sff8472_comp, NULL);
4567 if (status)
4568 return -EIO;
4569
4570 status = i40e_aq_get_phy_register(hw,
4571 I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
4572 I40E_I2C_EEPROM_DEV_ADDR,
4573 I40E_MODULE_SFF_8472_SWAP,
4574 &sff8472_swap, NULL);
4575 if (status)
4576 return -EIO;
4577
4578 /* Check if the module requires address swap to access
4579 * the other EEPROM memory page.
4580 */
4581 if (sff8472_swap & I40E_MODULE_SFF_ADDR_MODE) {
4582 netdev_warn(vsi->netdev, "Module address swap to access page 0xA2 is not supported.\n");
4583 modinfo->type = ETH_MODULE_SFF_8079;
4584 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4585 } else if (sff8472_comp == 0x00) {
4586 /* Module is not SFF-8472 compliant */
4587 modinfo->type = ETH_MODULE_SFF_8079;
4588 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4589 } else {
4590 modinfo->type = ETH_MODULE_SFF_8472;
4591 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4592 }
4593 break;
4594 case I40E_MODULE_TYPE_QSFP_PLUS:
4595 /* Read from memory page 0. */
4596 status = i40e_aq_get_phy_register(hw,
4597 I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
4598 0,
4599 I40E_MODULE_REVISION_ADDR,
4600 &sff8636_rev, NULL);
4601 if (status)
4602 return -EIO;
4603 /* Determine revision compliance byte */
4604 if (sff8636_rev > 0x02) {
4605 /* Module is SFF-8636 compliant */
4606 modinfo->type = ETH_MODULE_SFF_8636;
4607 modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN;
4608 } else {
4609 modinfo->type = ETH_MODULE_SFF_8436;
4610 modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN;
4611 }
4612 break;
4613 case I40E_MODULE_TYPE_QSFP28:
4614 modinfo->type = ETH_MODULE_SFF_8636;
4615 modinfo->eeprom_len = I40E_MODULE_QSFP_MAX_LEN;
4616 break;
4617 default:
4618 netdev_err(vsi->netdev, "Module type unrecognized\n");
4619 return -EINVAL;
4620 }
4621 return 0;
4622}
4623
4624/**
4625 * i40e_get_module_eeprom - fills buffer with (Q)SFP+ module memory contents
4626 * @netdev: network interface device structure
4627 * @ee: EEPROM dump request structure
4628 * @data: buffer to be filled with EEPROM contents
4629 **/
4630static int i40e_get_module_eeprom(struct net_device *netdev,
4631 struct ethtool_eeprom *ee,
4632 u8 *data)
4633{
4634 struct i40e_netdev_priv *np = netdev_priv(netdev);
4635 struct i40e_vsi *vsi = np->vsi;
4636 struct i40e_pf *pf = vsi->back;
4637 struct i40e_hw *hw = &pf->hw;
4638 bool is_sfp = false;
4639 i40e_status status;
4640 u32 value = 0;
4641 int i;
4642
4643 if (!ee || !ee->len || !data)
4644 return -EINVAL;
4645
4646 if (hw->phy.link_info.module_type[0] == I40E_MODULE_TYPE_SFP)
4647 is_sfp = true;
4648
4649 for (i = 0; i < ee->len; i++) {
4650 u32 offset = i + ee->offset;
4651 u32 addr = is_sfp ? I40E_I2C_EEPROM_DEV_ADDR : 0;
4652
4653 /* Check if we need to access the other memory page */
4654 if (is_sfp) {
4655 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4656 offset -= ETH_MODULE_SFF_8079_LEN;
4657 addr = I40E_I2C_EEPROM_DEV_ADDR2;
4658 }
4659 } else {
4660 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4661 /* Compute memory page number and offset. */
4662 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4663 addr++;
4664 }
4665 }
4666
4667 status = i40e_aq_get_phy_register(hw,
4668 I40E_AQ_PHY_REG_ACCESS_EXTERNAL_MODULE,
4669 addr, offset, &value, NULL);
4670 if (status)
4671 return -EIO;
4672 data[i] = value;
4673 }
4674 return 0;
4675}
4676
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4677static const struct ethtool_ops i40e_ethtool_ops = {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4678 .get_drvinfo = i40e_get_drvinfo,
4679 .get_regs_len = i40e_get_regs_len,
4680 .get_regs = i40e_get_regs,
4681 .nway_reset = i40e_nway_reset,
4682 .get_link = ethtool_op_get_link,
4683 .get_wol = i40e_get_wol,
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]4684 .set_wol = i40e_set_wol,
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]4685 .set_eeprom = i40e_set_eeprom,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4686 .get_eeprom_len = i40e_get_eeprom_len,
4687 .get_eeprom = i40e_get_eeprom,
4688 .get_ringparam = i40e_get_ringparam,
4689 .set_ringparam = i40e_set_ringparam,
4690 .get_pauseparam = i40e_get_pauseparam,
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]4691 .set_pauseparam = i40e_set_pauseparam,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4692 .get_msglevel = i40e_get_msglevel,
4693 .set_msglevel = i40e_set_msglevel,
4694 .get_rxnfc = i40e_get_rxnfc,
4695 .set_rxnfc = i40e_set_rxnfc,
4696 .self_test = i40e_diag_test,
4697 .get_strings = i40e_get_strings,
4698 .set_phys_id = i40e_set_phys_id,
4699 .get_sset_count = i40e_get_sset_count,
4700 .get_ethtool_stats = i40e_get_ethtool_stats,
4701 .get_coalesce = i40e_get_coalesce,
4702 .set_coalesce = i40e_set_coalesce,
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4703 .get_rxfh_key_size = i40e_get_rxfh_key_size,
4704 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
4705 .get_rxfh = i40e_get_rxfh,
4706 .set_rxfh = i40e_set_rxfh,
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4707 .get_channels = i40e_get_channels,
4708 .set_channels = i40e_set_channels,
Filip Sadowski9c0e5ca2017-08-22 06:57:44 -0400[diff] [blame]4709 .get_module_info = i40e_get_module_info,
4710 .get_module_eeprom = i40e_get_module_eeprom,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4711 .get_ts_info = i40e_get_ts_info,
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4712 .get_priv_flags = i40e_get_priv_flags,
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4713 .set_priv_flags = i40e_set_priv_flags,
Kan Liangbe280ba2016-02-19 09:24:05 -0500[diff] [blame]4714 .get_per_queue_coalesce = i40e_get_per_queue_coalesce,
Kan Liangf3757a42016-02-19 09:24:06 -0500[diff] [blame]4715 .set_per_queue_coalesce = i40e_set_per_queue_coalesce,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]4716 .get_link_ksettings = i40e_get_link_ksettings,
4717 .set_link_ksettings = i40e_set_link_ksettings,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4718};
4719
4720void i40e_set_ethtool_ops(struct net_device *netdev)
4721{
Wilfried Klaebe7ad24ea2014-05-11 00:12:32 +0000[diff] [blame]4722 netdev->ethtool_ops = &i40e_ethtool_ops;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4723}